| Athlete | Died |
|---|---|
| Alessandro Talotti | 15 May 2021 |
| Lim Heng Chek | 15 May 2021 |
| Haziq Bin Kamaruddin | 14 May 2021 |
| Higinio Vélez | 12 May 2021 |
| Victor Asirvatham | 11 May 2021 |
| Fortunato Franco | 10 May 2021 |
| Dieudonné Ntep | 10 May 2021 |
| Frank Brazier | 10 May 2021 |
| Miguel Arellano | 10 May 2021 |
| George Hovland, Jr. | 9 May 2021 |
| Ravinder Pal Singh | 8 May 2021 |
| Maharaj Krishon Kaushik | 8 May 2021 |
| Pál Gömöry | 7 May 2021 |
| Georgy Prokopenko | 5 May 2021 |
| Yury Gavrilov | 5 May 2021 |
| Aleksandr Saprykin | 4 May 2021 |
| Masatomo Taniguchi | 3 May 2021 |
| David Humphreys | 2 May 2021 |
| Nancy McCredie | 1 May 2021 |
| Wilfried Peffgen | May 2021 |
| Amiri Mangashti | 29 April 2021 |
| Celso Dayrit | 28 April 2021 |
| Miroslav Fryčer | 27 April 2021 |
| Tamara Press | 26 April 2021 |
| Pam Seaborne | 26 April 2021 |
| John Konrads | 25 April 2021 |
| Dennis Johnson | 22 April 2021 |
| Demchigjav Zagdsuren | 21 April 2021 |
| Håkon Brusveen | 21 April 2021 |
| Rex Aubrey | 20 April 2021 |
| George Dancis | 20 April 2021 |
| Walter Mondale | 19 April 2021 |
| Viktor Shuvalov | 19 April 2021 |
| Vera Lantratova | 19 April 2021 |
| Zdeněk Růžička | 18 April 2021 |
| Frank McCabe | 18 April 2021 |
| Albert Papilaya | 18 April 2021 |
| Gert Metz | 17 April 2021 |
| Sándor Szabó | 17 April 2021 |
| Bob Hodges | 16 April 2021 |
| Sergey Novikov | 16 April 2021 |
| Hussain Ahmed | 16 April 2021 |
| Joaquín Larroya | 14 April 2021 |
| Jamal Al-Qabendi | 13 April 2021 |
| Ruth | 13 April 2021 |
| Ho Yen Chye | 12 April 2021 |
| Staņislavs Lugailo | 11 April 2021 |
| Sabiahmad Abdullah Ahad | 10 April 2021 |
| Imre Simkó | 10 April 2021 |
| István Bérczi | 10 April 2021 |
| Philip, Duke of Edinburgh | 9 April 2021 |
| Bill Olson | 9 April 2021 |
| Ekkehard Fasser | 8 April 2021 |
| Roseli Machado | 8 April 2021 |
| John Da Silva | 8 April 2021 |
| Michele Pasinato | 8 April 2021 |
| Diána Igaly | 8 April 2021 |
| Conn Findlay | 8 April 2021 |
| William Smith | 7 April 2021 |
| Manfred Buder | 7 April 2021 |
| Antal Kiss | 7 April 2021 |
| Viktor Kurentsov | 7 April 2021 |
| Rodolfo da Ponte | 6 April 2021 |
| Chuck Darling | 6 April 2021 |
| Rolando Thoeni | 4 April 2021 |
| Martin Hyman | 3 April 2021 |
| Ho Lien Siew | 3 April 2021 |
| Zafar Ali Zafari | 2 April 2021 |
| Suíço | 2 April 2021 |
| Clara LaMore | 2 April 2021 |
| Bernard Vallée | 2 April 2021 |
| Loránd Milassin | 1 April 2021 |
| Uri Gallin | April 2021 |
| Diego Martel | April 2021 |
| Thomas Saisi | 31 March 2021 |
| Michael J. Reidy | 30 March 2021 |
| Odirlei Pessoni | 27 March 2021 |
| Barry King | 27 March 2021 |
| Sarah Whitmore | 27 March 2021 |
| Lennart Larsson | 26 March 2021 |
| Ursula Happe | 26 March 2021 |
| Hossein Khodaparast | 26 March 2021 |
| Pete Smith | 26 March 2021 |
| Roman Micał | 25 March 2021 |
| Tamás Sudár | 24 March 2021 |
| Aleksandar Anđelić | 24 March 2021 |
| Toshihiko Koga | 24 March 2021 |
| Julie Pomagalski | 23 March 2021 |
| Hans Standl | 23 March 2021 |
| Bob McKnight | 21 March 2021 |
| Milan Hurtala | 20 March 2021 |
| Ulisses dos Santos | 17 March 2021 |
| Henry Kolowrat, Jr. | 16 March 2021 |
| Kevin Bradshaw | 16 March 2021 |
| Helena Fuchsová | 14 March 2021 |
| Lester Francel | 14 March 2021 |
| Suzanne Zimmerman | 14 March 2021 |
| Roger Maes | 13 March 2021 |
| Kiyoko Ono | 13 March 2021 |
| Ismail Bhamjee | 12 March 2021 |
| Gérard Aygoui | 12 March 2021 |
| Ivo Trumbić | 12 March 2021 |
| Petar Fajfrić | 11 March 2021 |
| Don McDonnell | 11 March 2021 |
| Henryk Rozmiarek | 10 March 2021 |
| Josy Stoffel | 9 March 2021 |
| Rhéal Cormier | 8 March 2021 |
| Jozo Alebić | 8 March 2021 |
| Tommy Troelsen | 8 March 2021 |
| Jhon Jarrín | 8 March 2021 |
| Janis Hape | 7 March 2021 |
| Julio César Villalta | 5 March 2021 |
| Janet Sawbridge | 5 March 2021 |
| Czesława Stopka | 5 March 2021 |
| Michèle Angirany | 5 March 2021 |
| Jerzy Boniecki | 5 March 2021 |
| Mark Pavelich | 4 March 2021 |
| Paul McMullen | 4 March 2021 |
| Zygmunt Hanusik | 4 March 2021 |
| István Fehér | 3 March 2021 |
| József Gurovits | 3 March 2021 |
| Vladimír Heger | 1 March 2021 |
| Andrea Nannini | 1 March 2021 |
| Bernard Guyot | 1 March 2021 |
| Mikhail Studenetsky | 1 March 2021 |
| Nazar Albaryan | March 2021 |
| Anton Urban | March 2021 |
| Mamoru Morimoto | 28 February 2021 |
| Didier Poissant | 27 February 2021 |
| Aleksandr Klepikov | 26 February 2021 |
| Laddie Bakanic | 26 February 2021 |
| Horacio Morales | 26 February 2021 |
| Jim Sedin | 23 February 2021 |
| Tormod Knutsen | 23 February 2021 |
| Wolfango Montanari | 23 February 2021 |
| Shane Lewis | 21 February 2021 |
| Art Cook | 21 February 2021 |
| Zlatan Saračević | 21 February 2021 |
| Nicola Tempesta | 20 February 2021 |
| Adolf Mathis | 19 February 2021 |
| Ludvík Liška | 19 February 2021 |
| Graeme English | 18 February 2021 |
| Jack Cayco | 17 February 2021 |
| Gianluigi Saccaro | 17 February 2021 |
| José María Echevarría | 15 February 2021 |
| Eva-Maria Pracht | 15 February 2021 |
| István Turu | 15 February 2021 |
| Inger Bjørnbakken | 13 February 2021 |
| Yury Vlasov | 13 February 2021 |
| Bolesław Kwiatkowski | 13 February 2021 |