- Apr 3 Josef Weinheber, Austrian poet and writer (Vienna Verbatim), dies at 43
- Apr 5 Karl Otto Koch, German SS officer who was commandant at Buchenwald, Sachsenhausen and Majdanek concentration camps, is executed by the SS for corruption at 47
- Apr 6 Benjamin Marius Telders, Dutch lawyer who resisted German occupation in WWII, dies of typhus in Bergen-Belsen concentration camp at 42
- Apr 9 Dietrich Bonhoeffer, German pastor, theologist (Confessing Church) and anti-Nazi dissident, hung by the Nazi government at 39
- Apr 9 Georg Elser, German failed assassin of Adolf Hitler (Bürgerbräukeller Bombing), dies in Dachau concentration camp at 42
- Apr 9 Hans Oster, German major general, spy and "July 20th plot", hanged at 57
- Apr 9 Hans von Dohnanyi, "July 20th plotter", hanged
- Apr 9 Wilhelm Canaris, German admiral and head of Germany military intelligence, hanged by the Nazi regime for treason at 58
- Apr 10 Charles Nordhoff, English-born writer (b. 1887)
- Apr 10 Hendrik Nicolaas Werkman, Dutch artist (The Blue Barge) and resistance fighter, executed by the Nazis at 63
- Apr 11 Frederick Lugard, British Colonial administrator, mercenary and explorer (Governor of Nigeria and Hong Kong), dies at 87
- Apr 11 Kamiel van Baelen, Flemish author and resistance fighter (Mensch op Weg), dies at 29
Franklin D. Roosevelt (1882-1945)
Apr 12 32nd US President (Democrat: 1933-1945), dies in office with the war almost won of a stroke at 63
- Apr 13 Ernst Cassirer, German philosopher and educator (Essay on Man), dies at 70
- Apr 17 Hannie Schaft, Dutch communist resistance fighter known as the "Girl with red hair", executed at 24
- Apr 17 Ion Pillat, Romanian poet and senator (Umbra timpului), dies at 54
- Apr 17 Walter Model, German WWII field marshal and panzer commander (Battle of the Bulge), and WW1 junior officer (Second Battle of the Marne), commits suicide, after learning of his indictment for war crimes, at 54
- Apr 18 Ernie Pyle, American journalist and war correspondent during WW II (Pulitzer Prize, 1944), killed by enemy fire in the South Pacific during Battle of Okinawa at 44
- Apr 18 John Ambrose Fleming, English electrical engineer and physicist (right-hand and left-hand rules), dies at 95
- Apr 19 J P Heyboer, resistance fighter, executed
- Apr 20 Erwin Bumke, German jurist, lead German Supreme Court under the Nazis, commits suicide at 70
- Apr 21 John Poston, British major/Montgomery's ADC, dies in battle at 25
- Apr 22 Kathe Kollwitz, German print maker and sculptor (Bauernkrieg), dies at 77
- Apr 22 Wilhelm Cauer, German mathematician who pioneered network synthesis, killed by Soviet troops during fall of Berlin at 44
- Apr 23 Albrecht Haushofer, German geographer, writer and member of the German Resistance to Nazism, shot by Nazi SS troopers at 42
- Apr 24 Anton de Kom, Surinamese resistance fighter, dies of tuberculosis in a Nazi concentration camp at 47
- Apr 24 Antoon Schweigmann, Dutch religious poet and resistance fighter, dies at 51
- Apr 24 Hubert Bath, British film composer and music director, dies at 61
- Apr 25 Huldreich Georg Früh, Swiss composer (Mein Traum), dies at 41
- Apr 26 Pavlo Skoropadsky, Ukrainian politician and general, dies at 71
- Apr 26 Sigmund Rascher, Nazi doctor, dies at 36
Benito Mussolini (1883-1945)
Apr 28 Fascist Italian dictator (1922-43), shot by communist partisans at 61
Adolf Hitler (1889-1945)
Apr 30 Austrian-born German dictator and Führer of Nazi Germany (1936-45), commits suicide by shooting himself at 56
- Apr 30 Eva Braun, German mistress and wife of Hitler, commits suicide by cyanide tablet at 33
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide