Olav Arnfinn Laudal (born 19 June 1936) is a Norwegian mathematician.
He finished his secondary education in 1954 in Mandal, and enrolled in the University of Oslo in the same year.
[1] Laudal was a research fellow at Columbia University and Institut Henri Poincaré between 1959 and 1962.
He was among the founders of the Abel Prize, and has been involved in the International Centre for Theoretical Physics.
[1] He has been a deputy member of Bærum municipal council for the Socialist Left Party.