Phil O'Donnell

• Phil O'Donnell (cyclist), American cyclist, see United States at the 2013 UCI Road World Championships
• Phil O'Donnell (Irish republican), volunteer in the Derry Brigade of the Provisional Irish Republican Army and member of Saor Uladh
• Phil O'Donnell (footballer), Motherwell, Celtic and Scotland football player
• Philip C. O'Donnell, American politician