- Jun 5 Rhoda Broughton, Welsh author (b. 1840)
- Jun 13 Essad Pasja, Albanian military man/minister, murdered at the Versailles Peace Conference
- Jun 14 Max Weber, German sociologist, economist and historian (Ancient Judaism), dies at 56
- Jun 15 Michel-Gaston Carraud, French composer, dies at 55
- Jun 20 Dmitry Ivanovsky, Russian Botanist who discovered the organisms that came to be known as viruses, dies at 55
- Jun 27 Adolphe-Basile Routhier, French Canadian lyricist ("O Canada"), dies at 81
- Jun 30 Lena Christ, German writer (The Rumplhanni), commits suicide at 38