Thomas Dillon (disambiguation)
Thomas Dillon was an American serial killer.
Thomas or Tom Dillon may also refer to:
- Thomas Dillon, 4th Viscount Dillon, Irish peer
- Thomas Dillon (chemist), Irish chemist and nationalist
- Thomas Dillon (judge), Irish judge and landowner
- Thomas Dillon (politician), Australian politician
- Tom Dillon (Australian footballer), Australian rules footballer
- Tom Dillon (Gaelic footballer), Irish Gaelic footballer
- Tom Dillon (rugby union), English rugby union footballer