Lars Valerian Ahlfors (18 April 1907 – 11 October 1996) was a Finnish mathematician, remembered for his work in the field of Riemann surfaces and his text on complex analysis.
Lars Valerian Ahlfors (18. april 1907 – 11. oktober 1996) var en finsk matematiker, husket for sit arbejde inden for Riemann-flader og hans værk om kompleks analyse.