Thomas McAllister
Thomas McAllister may refer to:
- Thomas Francis McAllister, United States federal judge
- Thomas Stanislaus McAllister, Northern Irish politician
- Tom McAllister , Scottish footballer
- Tom McAllister, member of the Shotts and Dykehead Pipe Band in Scotland in the 1940s
- Tom McAllister, member of the Irish People's Liberation Organisation in the 1980s
- Red John, a fictional serial killer revealed to be Sheriff Thomas McAllister, from the TV series ''The Mentalist''