| Åke Göransson | 1958-01-01 | 2019-12-31 | 61 | male | | | |
| Albert Cohen | 1929-11-16 | 2019-12-31 | 90 | male | | | United States of America |
| Aldri Dataviadi | 1984-02-08 | 2019-12-31 | 35 | male | | | Indonesia |
| Alexander E. Kaplan | 1938-06-09 | 2019-12-31 | 81 | male | | | United States of America |
| Andrew Hughes Hallett | 1947-01-01 | 2019-12-31 | 72 | male | | | United Kingdom |
| A V Swamy | 1929-07-18 | 2019-12-31 | 90 | male | | | Dominion of India |
| Bálint András Varga | 1941-11-03 | 2019-12-31 | 78 | male | | | Hungary |
| Bambang Reguna Bukit | 1983-06-16 | 2019-12-31 | 36 | male | | | Indonesia |
| Bård Svendsen | 1954-06-07 | 2019-12-31 | 65 | male | | | Norway |
| Basil Watts | 1926-01-01 | 2019-12-31 | 93 | male | | | United Kingdom |
| Carlo Quartucci | 1938-11-29 | 2019-12-31 | 81 | male | | Italy | Italy |
| Chandra Cristianto | 1982-05-25 | 2019-12-31 | 37 | male | | | Indonesia |
| Christian Kellens | 1925-01-18 | 2019-12-31 | 94 | male | | | Belgium |
| Chucrallah Harb | 1923-05-05 | 2019-12-31 | 96 | male | | | Lebanon |
| Coralie O'Connor | 1934-05-01 | 2019-12-31 | 85 | female | | | United States of America |
| Daniel P. Biebuyck | 1925-01-01 | 2019-12-31 | 94 | male | | United States of America | Belgium |
| Djimrangar Dadnadji | 1954-01-01 | 2019-12-31 | 65 | male | | Chad | Chad |
| Edward Koziński | 1948-01-03 | 2019-12-31 | 71 | | | | |
| Erik Partogi Siagian | 1982-11-11 | 2019-12-31 | 37 | male | | | Indonesia |
| Ernie Jones | 1932-09-22 | 2019-12-31 | 87 | male | | | |
| Eva Sørensen | 1940-02-14 | 2019-12-31 | 79 | female | | Italy | Denmark |
| Florian Hufnagl | 1948-01-01 | 2019-12-31 | 71 | male | natural causes | Germany | Germany |
| Georges Lane | 1947-09-16 | 2019-12-31 | 72 | male | | | |
| Guðrún Ögmundsdóttir | 1950-10-19 | 2019-12-31 | 69 | female | | | Iceland |
| Hansgerd Schulte | 1932-12-21 | 2019-12-31 | 87 | male | | | Germany |
| Helena Kołaczkowska | 1916-01-04 | 2019-12-31 | 103 | female | | | |
| Hermann Lang | 1938-07-03 | 2019-12-31 | 81 | male | | | Germany |
| Hiroshi Asano | 1927-05-05 | 2019-12-31 | 92 | male | | | |
| H. Thomas Banks | 1940-10-30 | 2019-12-31 | 79 | male | | | United States of America |
| Irfan Aulia Irsal | 1983-04-26 | 2019-12-31 | 36 | male | | | Indonesia |
| Is Anwar Datuk Rajo Perak | 1944-07-10 | 2019-12-31 | 75 | male | | Indonesia | Indonesia |
| Ivo Horák | 1959-01-01 | 2019-12-31 | 60 | male | | | |
| Ivo-Valentino Tomaš | 1993-07-28 | 2019-12-31 | 26 | male | suicide | Croatia | Croatia |
| Janet Lowe | 1940-05-15 | 2019-12-31 | 79 | female | | United States of America | United States of America |
| Jaroslav Blažek | 1927-12-05 | 2019-12-31 | 92 | male | | | |
| J. L. Lewis | 1960-07-18 | 2019-12-31 | 59 | male | | | United States of America |
| Josef Podola | 1933-09-20 | 2019-12-31 | 86 | male | | | Czechoslovakia |
| Juliano Cezar | 1961-12-27 | 2019-12-31 | 58 | male | | Brazil | Brazil |
| Kazuhiko Atsumi | 1928-09-25 | 2019-12-31 | 91 | male | | | Japan |
| Krzysztof Marczewski | 1950-01-01 | 2019-12-31 | 69 | male | | | Poland |
| Lex Lesgever | 1929-05-01 | 2019-12-31 | 90 | male | | | Kingdom of the Netherlands |
| Lutz Sparowitz | 1940-12-02 | 2019-12-31 | 79 | male | | | Austria |
| Marion Chesney | 1936-06-10 | 2019-12-31 | 83 | female | | United Kingdom | United Kingdom |
| Marlena Makiel-Hędrzak | 1968-11-08 | 2019-12-31 | 51 | female | | | Poland |
| Martin West | 1937-08-28 | 2019-12-31 | 82 | male | | United States of America | United States of America |
| Milan Beli | 1932-09-20 | 2019-12-31 | 87 | male | | | Yugoslavia |
| Miroslav Berek | 1938-04-10 | 2019-12-31 | 81 | male | | | Czechoslovakia |
| Muhammadu Gawo | 1954-01-01 | 2019-12-31 | 65 | male | | | Nigeria |
| Noyuri Ōtsuka | 1924-03-10 | 2019-12-31 | 95 | female | | | Japan |
| Peeter Allik | 1966-06-28 | 2019-12-31 | 53 | male | | | Estonia |
| Rainer Bach | 1946-03-13 | 2019-12-31 | 73 | male | natural causes | | Germany |
| Ratko Janev | 1939-03-30 | 2019-12-31 | 80 | male | | Serbia | Socialist Federal Republic of Yugoslavia |
| Ratna Ojha | 1931-12-05 | 2019-12-31 | 88 | male | | India | Dominion of India |
| Raymond M. Kirk | 1923-10-31 | 2019-12-31 | 96 | male | | | |
| Rene Daalder | 1944-01-01 | 2019-12-31 | 75 | male | | | Kingdom of the Netherlands |
| Roger Botembe | 1959-03-04 | 2019-12-31 | 60 | male | | | Democratic Republic of the Congo |
| Roxane Berard | 1933-01-21 | 2019-12-31 | 86 | female | | | United States of America |
| Sergey Fominykh | 1940-08-25 | 2019-12-31 | 79 | male | | Russia | Soviet Union |
| Serikbolsyn Abdildin | 1937-11-25 | 2019-12-31 | 82 | male | | Kazakhstan | Soviet Union |
| Shahla Riahi | 1927-02-07 | 2019-12-31 | 92 | female | | Iran | Imperial State of Iran |
| Shyqyri Rreli | 1930-05-18 | 2019-12-31 | 89 | male | | | Albania |
| Stacey Bentley | 1956-01-01 | 2019-12-31 | 63 | female | | | United States of America |
| Sylvester R. Foley Jr. | 1928-09-19 | 2019-12-31 | 91 | male | | United States of America | United States of America |
| Tahir Tunsawi | 1948-01-01 | 2019-12-31 | 71 | male | | Pakistan | Pakistan |
| Uriel Nauenberg | 1938-12-16 | 2019-12-31 | 81 | male | | | |
| Uwe Lambinus | 1941-07-21 | 2019-12-31 | 78 | male | | | Germany |
| Valeriano Balloni | 1935-08-15 | 2019-12-31 | 84 | male | | Italy | Italy |
| Vic Juris | 1953-09-26 | 2019-12-31 | 66 | male | natural causes | United States of America | United States of America |
| Yitzhak Grodzinski | 1929-01-01 | 2019-12-31 | 90 | male | | Israel | Israel |
| Yōji Morita | 1941-08-07 | 2019-12-31 | 78 | male | | | Japan |
| Yoshio Inoue | 1941-09-27 | 2019-12-31 | 78 | male | | | Japan |
| Yuri Lobanov | 1939-01-01 | 2019-12-31 | 80 | male | | | |
| Сагинбаева, Канышбек | 1937-08-07 | 2019-12-31 | 82 | female | | Kyrgyzstan | Soviet Union |
| Тхагус, Ким Тагирович | 1936-03-18 | 2019-12-31 | 83 | male | | Russia | |
| Хорошун Леонід Петрович | 1937-04-25 | 2019-12-31 | 82 | male | | Ukraine | |
| Alain Chappet | 1943-02-23 | 2019-12-30 | 76 | male | | France | France |
| Alex da Silva | 1974-04-16 | 2019-12-30 | 45 | male | | | Kingdom of the Netherlands |
| Alfred Inselberg | 1936-01-01 | 2019-12-30 | 83 | male | | | United States of America |
| André Smets | 1943-07-05 | 2019-12-30 | 76 | male | | | Belgium |
| Antal Molnár | 1941-01-01 | 2019-12-30 | 78 | male | | | Hungary |
| Antônio Dumas | 1955-11-28 | 2019-12-30 | 64 | male | | Guinea | Brazil |
| Baba Bhaniara | 1958-08-23 | 2019-12-30 | 61 | male | | | India |
| Beatriz Alfonso Nogue | 1968-05-07 | 2019-12-30 | 51 | female | | Spain | Spain |
| Carl-Heinz Rühl | 1939-11-14 | 2019-12-30 | 80 | male | natural causes | Germany | Germany |
| Charles Williams, Baron Williams of Elvel | 1933-02-09 | 2019-12-30 | 86 | male | | | United Kingdom |
| Damiri Mahmud | 1945-01-17 | 2019-12-30 | 74 | male | | Indonesia | Indonesia |
| Dennis Showalter | 1942-02-02 | 2019-12-30 | 77 | male | | | United States of America |
| Don Alden Adams | 1925-01-01 | 2019-12-30 | 94 | male | | | United States of America |
| Douglas Eveleigh | 1933-12-06 | 2019-12-30 | 86 | male | | United States of America | |
| Dragomir Draganov | 1948-01-01 | 2019-12-30 | 71 | male | | Bulgaria | Bulgaria |
| Elizabeth Sellars | 1921-05-06 | 2019-12-30 | 98 | female | | France | United Kingdom |
| Garje Khamtrul Jamyang Dhondup | 1927-12-19 | 2019-12-30 | 92 | male | | India | |
| Gene Nicholson | 1941-06-14 | 2019-12-30 | 78 | male | | | |
| Gennadiy Valyukevich | 1958-06-01 | 2019-12-30 | 61 | male | | Belarus | Soviet Union |
| Georges Visconti | 1919-01-01 | 2019-12-30 | 100 | male | | | France |
| Gertrude Himmelfarb | 1922-08-08 | 2019-12-30 | 97 | female | | United States of America | United States of America |
| Giovanni Innocenzo Martinelli | 1942-02-05 | 2019-12-30 | 77 | male | | Italy | Italy |
| Harry Kupfer | 1935-08-12 | 2019-12-30 | 84 | male | natural causes | Germany | Germany |
| Horst Kwech | 1937-01-01 | 2019-12-30 | 82 | male | | | United States of America |
| Iván Cañas | 1946-04-15 | 2019-12-30 | 73 | male | | United States of America | Cuba |
| Jack Garfein | 1930-07-02 | 2019-12-30 | 89 | male | natural causes | United States of America | Czechoslovakia |
| Jan Fedder | 1955-01-14 | 2019-12-30 | 64 | male | natural causes | Germany | Germany |
| Jerzy Bidziński | 1928-01-01 | 2019-12-30 | 91 | male | | | Poland |
| Jerzy Gajda | 1946-01-01 | 2019-12-30 | 73 | male | | | |
| John Ward | | 2019-12-30 | | male | | | United Kingdom |
| José Manuel Moreiras | 1976-09-19 | 2019-12-30 | 43 | male | police brutality | Dominican Republic | Argentina |
| Krzysztof Kolba | 1952-08-28 | 2019-12-30 | 67 | male | | | |
| Laurier Gardner | 1944-10-01 | 2019-12-30 | 75 | male | | | Canada |
| Marie Devereux | 1940-11-27 | 2019-12-30 | 79 | female | | | |
| Myron Levoy | 1930-01-01 | 2019-12-30 | 89 | male | | | United States of America |
| Nils Petter Sundgren | 1929-02-24 | 2019-12-30 | 90 | male | | Sweden | Sweden |
| Peter Seifert | 1983-01-17 | 2019-12-30 | 36 | male | | | Germany |
| Petr Wagner | 1969-06-13 | 2019-12-30 | 50 | male | | | |
| Pierre Galet | 1921-01-01 | 2019-12-30 | 98 | male | | France | France |
| Prosper Grech | 1925-12-24 | 2019-12-30 | 94 | male | natural causes | Italy | Malta |
| Purna Chandra Khuntia | 1947-12-27 | 2019-12-30 | 72 | male | | India | |
| Richard Kanyerezi | 1934-01-01 | 2019-12-30 | 85 | male | | | Uganda |
| Slaheddine Maaoui | 1950-07-20 | 2019-12-30 | 69 | male | natural causes | | Tunisia |
| Sonny Mehta | 1942-01-01 | 2019-12-30 | 77 | male | | United States of America | Dominion of India |
| Syd Mead | 1933-07-18 | 2019-12-30 | 86 | male | natural causes | United States of America | United States of America |
| Syed Muazzem Ali | 1944-01-01 | 2019-12-30 | 75 | male | | | |
| Valentin Bliznyuk | 1928-04-12 | 2019-12-30 | 91 | male | | | Soviet Union |
| Vibeke Klint | 1927-12-13 | 2019-12-30 | 92 | female | | | Denmark |
| Vikho-o Yhoshu | 1952-01-01 | 2019-12-30 | 67 | male | natural causes | | India |
| Vyacheslav Murzin | 1951-09-04 | 2019-12-30 | 68 | male | | Ukraine | Soviet Union |
| Бердов, Борис Александрович | 1935-11-26 | 2019-12-30 | 84 | male | | | |
| Букринская, Алиса Григорьевна | 1928-12-05 | 2019-12-30 | 91 | female | | | |
| Иван Бовт | 1932-07-20 | 2019-12-30 | 87 | male | | | Belarus |
| Цередиани, Давид | 1937-08-12 | 2019-12-30 | 82 | male | | Georgia | |
| Abu Raihan Biswas | 1940-01-01 | 2019-12-29 | 79 | male | | | |
| Achim Zickler | 1936-03-14 | 2019-12-29 | 83 | male | | | |
| Alasdair Gray | 1934-12-28 | 2019-12-29 | 85 | male | | United Kingdom | United Kingdom |
| Albina Marçal Freitas | 1958-02-12 | 2019-12-29 | 61 | female | | | East Timor |
| André Decocq | 1932-03-14 | 2019-12-29 | 87 | male | | France | France |
| Andrés Fernández-Albalat Lois | 1924-06-23 | 2019-12-29 | 95 | male | | Spain | Spain |
| Anthony Wilden | 1935-12-14 | 2019-12-29 | 84 | male | | | United Kingdom |
| Arlindo Júnior | 1968-05-20 | 2019-12-29 | 51 | male | | | |
| Benjamin Anyene | 1951-06-08 | 2019-12-29 | 68 | male | | | |
| Butler D. Shaffer | 1935-01-12 | 2019-12-29 | 84 | male | | | |
| Carla Calò | 1926-09-21 | 2019-12-29 | 93 | female | | Italy | Italy |
| Christopher Audland | 1926-07-07 | 2019-12-29 | 93 | male | | | |
| Dina Birte Al-Erhayem | 1975-10-02 | 2019-12-29 | 44 | female | suicide | Denmark | Denmark |
| Dragan Gnječ | 1947-01-30 | 2019-12-29 | 72 | male | | | Croatia |
| Erich Reusch | 1925-06-26 | 2019-12-29 | 94 | male | | | Germany |
| Fred Mukisa | 1949-04-04 | 2019-12-29 | 70 | male | natural causes | | Uganda |
| Frieder Schauer | 1949-02-18 | 2019-12-29 | 70 | male | | | German Democratic Republic |
| Germán Marín | 1934-01-01 | 2019-12-29 | 85 | male | | Chile | Chile |
| Giovanni Paliaga | 1931-02-11 | 2019-12-29 | 88 | male | | Italy | Italy |
| Graham Maule | 1958-09-24 | 2019-12-29 | 61 | male | | | United Kingdom |
| Harry "Pombo" Villegas | 1940-05-10 | 2019-12-29 | 79 | male | | Cuba | Cuba |
| Hilda Rebello | 1924-09-30 | 2019-12-29 | 95 | female | | Brazil | Brazil |
| Hilkka Vuorinen | 1924-01-01 | 2019-12-29 | 95 | female | | | |
| Ilsoer Garafievitsj Sjaychoetdinov | 1936-01-02 | 2019-12-29 | 83 | male | | | Soviet Union |
| Ioan Roberts | 1941-11-01 | 2019-12-29 | 78 | male | | United Kingdom | Wales |
| John Shuker | 1942-05-08 | 2019-12-29 | 77 | male | | | United Kingdom |
| Joseph LoPiccolo | 1943-09-13 | 2019-12-29 | 76 | male | | | United States of America |
| Ken Strongman | 1940-12-02 | 2019-12-29 | 79 | male | | | |
| Kirill Pogorelov | 1987-10-25 | 2019-12-29 | 32 | male | | Russia | Russia |
| Klaus Meyer (Mineraloge) | 1936-01-30 | 2019-12-29 | 83 | male | | Germany | Germany |
| LaDell Andersen | 1929-10-25 | 2019-12-29 | 90 | male | | United States of America | United States of America |
| Leonard Duhl | 1926-05-24 | 2019-12-29 | 93 | male | | | United States of America |
| Lisa Riedel | 1925-03-31 | 2019-12-29 | 94 | female | | | |
| Liu Hongzhi | 1920-10-01 | 2019-12-29 | 99 | male | | People's Republic of China | |
| Manfred Stolpe | 1936-05-16 | 2019-12-29 | 83 | male | natural causes | Germany | German Democratic Republic |
| M. C. Ricklefs | 1943-07-11 | 2019-12-29 | 76 | male | | Australia | Australia |
| Miloš Vlček | 1939-02-12 | 2019-12-29 | 80 | male | | Czech Republic | |
| N. A. Simonii︠a︡ | 1932-01-30 | 2019-12-29 | 87 | male | | | Soviet Union |
| Neal Watlington | 1922-12-25 | 2019-12-29 | 97 | male | | United States of America | United States of America |
| Neil Innes | 1944-12-09 | 2019-12-29 | 75 | male | natural causes | France | United Kingdom |
| Nicole Desailly | 1920-10-17 | 2019-12-29 | 99 | female | | France | France |
| Norma Tanega | 1939-01-30 | 2019-12-29 | 80 | female | natural causes | United States of America | United States of America |
| Oluf Skarpnes | 1932-12-26 | 2019-12-29 | 87 | male | | | Norway |
| Paulo Wagner | 1962-07-19 | 2019-12-29 | 57 | male | | Brazil | |
| Paul X. Kelley | 1928-11-11 | 2019-12-29 | 91 | male | | United States of America | United States of America |
| Pentti Junno | 1936-05-12 | 2019-12-29 | 83 | male | | Finland | Finland |
| Peter Biesenkamp | 1946-08-19 | 2019-12-29 | 73 | male | | | Germany |
| R Dhanarajan | 1980-10-27 | 2019-12-29 | 39 | male | | India | India |
| Remigijus Sabulis | 1954-08-29 | 2019-12-29 | 65 | male | | | Lithuania |
| Sebastián Ferrat | 1978-09-17 | 2019-12-29 | 41 | male | natural causes | Mexico | Mexico |
| Sheesharam Singh | 1945-01-01 | 2019-12-29 | 74 | male | | | Dominion of India |
| Sidney Littlefield Kasfir | | 2019-12-29 | | female | | | United States of America |
| Suprapto Suryodharmo | | 2019-12-29 | | | | | |
| Talukder Moniruzzaman | 1938-07-01 | 2019-12-29 | 81 | male | | | |
| Tomasz Sadowski | 1943-01-01 | 2019-12-29 | 76 | male | | | |
| Tuvia Oshri | 1937-01-01 | 2019-12-29 | 82 | male | | | Israel |
| Urmas Sõgel | 1952-01-01 | 2019-12-29 | 67 | male | | | |
| Valentin Mikhailovich Bogomazov | 1943-01-01 | 2019-12-29 | 76 | male | | | Soviet Union |
| Vaughan Oliver | 1957-09-12 | 2019-12-29 | 62 | male | | | United Kingdom |
| Vishwesha Teertha | 1931-06-24 | 2019-12-29 | 88 | male | | | |
| Vjatsjeslav Ivanovitsj Bot | 1929-04-12 | 2019-12-29 | 90 | male | | Russia | Soviet Union |
| Zhang Jiaxiang | 1932-10-30 | 2019-12-29 | 87 | male | | | People's Republic of China |
| 秦时暐 | 1927-12-01 | 2019-12-29 | 92 | | | | |
| Amèlia Riera | 1928-01-28 | 2019-12-28 | 91 | female | | Spain | Spain |
| Amy Paterson | 1912-07-16 | 2019-12-28 | 107 | female | | Argentina | Argentina |
| Anatoliĭ Maksimovich Nikanorov | 1935-05-22 | 2019-12-28 | 84 | male | | | Russia |
| Anthony Ribustello | | 2019-12-28 | | male | | | United States of America |
| Antonio Guerreiro | 1947-07-10 | 2019-12-28 | 72 | male | | Brazil | Brazil |
| Bill Cregar | 1925-05-02 | 2019-12-28 | 94 | male | | United States of America | United States of America |
| Bogumił Strzyżewski | 1933-01-01 | 2019-12-28 | 86 | male | | | |
| Carley Ann McCord | 1989-07-24 | 2019-12-28 | 30 | female | | United States of America | United States of America |
