Events that occurred on 11 June.
 On Earth
- 1902 - Illustrator Eric Fraser is born.
- 1920 - German translator Walter Scherf is born.
- 1935 – Guardian and "second father" of J.R.R. Tolkien Father Francis dies.
- 1953 - Pearl, edited by E.V. Gordon and including a contribution by J.R.R. Tolkien, is published.
- 1972 - J.R.R. Tolkien writes a letter to Robert Burchfield.
- 2006 - Artist Tim Hildebrandt dies.
- 2009 - The Road Goes Ever On and On: The Map of Tolkien's Middle-earth is published.
 In Arda
- There are no known events for this day.