Tellegen is a surname. Notable people with the surname include:
Auke Tellegen (1930–2024), Dutch-born American psychologist of the personality Bernard D. H. Tellegen, Dutch electrical engineer Frits Tellegen (1919–2020), Dutch urban designer Jan Willem Tellegen (1859–1921), Dutch politician Lou Tellegen, Dutch American silent film and stage actor, director, and screenwriter , Dutch feminist, resistance fighter and director of the . Ockje Tellegen, Dutch politician Toon Tellegen, Dutch children's writer and poet
See also Tellegen's theorem, a theorem in netwerk theory, developed by Bernard D. H. Tellegen