Events that occurred on 24 June.
 On Earth
- 1953 - J.R.R. Tolkien writes a letter to George Sayer.
- 1957 - J.R.R. Tolkien writes Letter 199.
- 1985 - Voice actor Valentine Dyall dies.
- 2011 - Tolkien Index is founded.
- 2012 - Voice actor James Grout dies.
- 2022 - The Great Tales Never End: Essays in Memory of Christopher Tolkien is published.
 In Arda
- There are no known events for this day.