Thomas Donnelly may refer to:

• Thomas Donnelly (Saskatchewan politician) (Thomas F. Donnelly, 1874–1948), Canadian member of Parliament
• Thomas Donnelly (sergeant-at-arms) (1764–1835), New York legislative officer
• Thomas Donnelly (Alberta politician) (1933–1997), Alberta MLA
• Thomas Dean Donnelly, American screenwriter
• Thomas F. Donnelly (New York City) (1863–1924), New York politician and judge
• Tom Donnelly (Thomas Mathew Donnelly, born 1981), New Zealand rugby union player
• Tommy Donnelly (footballer), Irish association football player
• Tom Donnelly (footballer) (born 1947), Scottish footballer

• Tommy Donnelly, a character from the NBC series The Black Donnellys
• Giselle Donnelly (born Thomas Donnelly, 1953), American writer and director of the Center for Defense Studies at the American Enterprise Institute

This disambiguation page lists articles about people with the same name.
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