Thomas Flanagan
Thomas, Tommy or Tom Flanagan may refer to:
- Thomas Flanagan (bishop), American Roman Catholic bishop
- Thomas Flanagan (Irish politician), Irish civil engineer and politician
- Thomas Flanagan (priest), English Roman Catholic canon and historian
- Thomas Flanagan (prospector), Irish-Australian prospector
- Thomas Flanagan (writer), American academic and novelist
- Tom Flanagan (footballer), Northern Irish footballer
- Tom Flanagan (political scientist), American-born writer and academic
- Tommy Flanagan (musician), American jazz pianist
- Tommy Flanagan (actor), Scottish-born actor
- Thomas [John (medium)], American celebrity medium
- Tommy Flanagan, the Pathological Liar, Recurring [Saturday Night Live characters and sketches introduced 1985–1986#Tommy Flanagan, the Pathological Liar|recurring Saturday Night Live character and sketches] portrayed by Jon Lovitz in 1985–86 season