Fatty
- April Flores
- Bob Fothergill
- Charles H. Smith (American football)
- Fat (disambiguation)
- Fats (disambiguation)
- Fatty Briody
- Fatty Finn
- Fatty Fudge
- Fatty George
- Fatty Lawrence
- Fatty Taylor
- Fatty Warren
- Fatty and George
- Five Find-Outers
- Mai Fatty
- Mike "Prince Fatty" Pelanconi
- Obesity
- Paul Vautin
- Richard Lamb
- Roscoe Arbuckle
- Skinny (disambiguation)
- The Bash Street Kids
- Thomas Walsh (mobster)
- W. T. McLain
- William Foulke (footballer)