- Jun 1 Ernest Pingoud, Finnish composer, dies at 53
- Jun 2 (Roland) "Bunny" Berigan, American session and big band jazz trumpeter (Paul Whiteman; Benny Goodman - "King Porter Stomp"; Tommy Dorsey - "Marie"), vocalist, and bandleader ("I Can't Get Started"), dies from cirrhosis of the liver at 33
- Jun 12 Walter Leigh, British composer (The Frogs of Aristophanes), killed in action near Tobruk, Libya while serving in British Army, at 36
- Jun 18 Arthur Pryor, American band composer and trombone player, dies at 71