Thomas Forsyth

• Thomas Forsyth (footballer), Scottish amateur footballer
• Thomas Forsyth (Indian agent), American frontiersman, trader, and Indian agent
• Thomas Forsyth (New [Zealand politician)], New Zealand Member of Parliament
• Thomas [Douglas Forsyth], Anglo-Indian administrator and diplomat
• Thomas H. Forsyth, American soldier and Medal of Honor recipient
• Tom Forsyth, Scottish football player and manager