Specker is a surname. Notable people with the surname include:

Ernst Specker (1920–2011), Swiss mathematician Joe C. Specker (1921–1944), United States Army soldier and Medal of Honor recipient Alexander Specker (born 1918), Swiss sports shooter

See also Specker See, lake in Mecklenburg-Vorpommern, Germany Specker sequence, bounded sequence Baer–Specker group, Abelian group Kochen–Specker theorem, quantum mechanics theorem