Letts
- Arthur Letts
- Barry Letts
- Billie Letts
- Camp Letts
- David Vanian
- Dennis Letts
- Don Letts
- E. A. Letts
- Elizabeth Letts
- F. Dickinson Letts
- Goff Letts
- Islamic State
- Jack Letts
- John Letts (disambiguation)
- Judge Letts (disambiguation)
- Ken Letts
- Latvians
- Lets (disambiguation)
- Letts Valley
- Letts nitrile synthesis
- Letts, Indiana
- Letts, Iowa
- Michael Letts
- Quentin Letts
- Richard Letts
- Rose West
- Tracy Letts
- Winifred Mary Letts