Lundahl is a surname. Notable people with the surname include: Amélie Lundahl (1850–1914), Finnish painter. Arthur C. Lundahl (1915–1992) Christian Lundahl (born 1972), Swedish academic. Eskil Lundahl (1905–1992), Swedish swimmer. Harry Lundahl (1905–1988), Swedish footballer and manager. Karoliina Lundahl (born 1968), Finnish weightlifter. Mats Lundahl (born 1946), Swedish economist https://en.wikipedia.org/wiki/Lundahl