Thomas McCormack

• Thomas McCormack (California politician), Canada-born California politician
• Thomas McCormack (artist), New Zealand artist
• Tom McCormack (Erin's Own hurler), Irish hurler for Kilkenny and Erin's Own
• Tom McCormack (footballer), New Zealand association footballer
• Thomas J. McCormack, member of the Pennsylvania State Senate and the Pennsylvania House of Representatives
• Thomas McCormack (writer), author, playwright and former book-publishing executive
• Tom McCormack (James Stephens hurler), Irish hurler for Kilkenny and James Stephens