Thomas Whelan (1898–1921) was an executed Irishman.

Thomas Whelan may also refer to:

• Thomas E. Whelan, U.S. Ambassador to Nicaragua from 1951-1961
• Thomas J. Whelan (mayor) (1922–2002), mayor of Jersey City
• Thomas J. Whelan (judge) (born 1940), United States federal judge
• Tom Whelan (1894–1957), American football player

• Whelan (disambiguation)

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