Thomas Gershom Greer (1889 – after 1912) was a Scottish professional footballer who played in the Football League for Birmingham.Greer was born in Bathgate, West Lothian. He joined Birmingham from Coatbridge Rob Roy in December 1910, and made his debut in the Second Division on 21 January 1911, deputising for regular centre forward Jack Hall in a home game against Burnley which finished as a 1–1 draw.