- Jun 2 Frank Jarvis, American athlete (Olympic gold 100m 1900), dies at 54
- Jun 3 William Muldoon, American wrestler and owner of NY health institute "The Olympia", dies at 88
- Jun 14 Albert Ross Parsons, American composer, dies at 85
- Jun 20 Clara Zetkin, German feminist, Socialist, and Communist leader, dies at 75
- Jun 22 Henry Birkin, British auto racer (24 Hours of Le Mans class 8.0 1929; class 3.0 1931), dies from malaria at 36
- Jun 24 Sissieretta Joyner Jones, American singer ("Black Patti"), dies at about 64
- Jun 29 Roscoe "Fatty" Arbuckle, American actor (The Bell Boy, Moonshine, Keystone comedies), dies from a heart attack at 46
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide