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:
“Thy sharp repulse, that pricketh ay so sore,
Hath taught me to set in trifles no store,
and scape forth, since liberty is lever.”
—Sir Thomas Wyatt (1503?–1542)
“The Democratic Party is like a mule. It has neither pride of ancestry nor hope of posterity.”
—Ignatius Donnelly (1831–1901)