Thomas Donnelly may refer to:
- Thomas Donnelly (manager), Irish association football manager
- Thomas Donnelly (politician) (Thomas F. Donnelly, 1874–1948), Canadian member of Parliament
- Thomas Donnelly (sergeant-at-arms) (1764–1835), New York legislative officer
- Thomas Donnelly (writer) (born 1953), American writer and director of the Center for Defense Studies at the American Enterprise Institute
- Thomas Charles Donnelly (born 1933), former 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
- Tommy Donnelly, a character from the NBC series The Black Donnellys
Famous quotes containing the words thomas and/or donnelly:
“The force that through the green fuse drives the flower
Drives my green age; that blasts the roots of trees
Is my destroyer.
And I am dumb to tell the crooked rose
My youth is bent by the same wintry fever.”
—Dylan Thomas (1914–1953)
“The Democratic Party is like a mule. It has neither pride of ancestry nor hope of posterity.”
—Ignatius Donnelly (1831–1901)