Wahl is a surname. The name may originate from the German word Wahl (meaning "election" or "choice") or from Yiddish, in which wahl means "from Italy". Notable people with the surname include:
Andreas Wallan Wahl, Swedish bass guitarist
Arthur C. Wahl, American chemist
Bernt Wahl, American author, entrepreneur and mathematician
Bobby Wahl (born 1992), American baseball player
Edgar de Wahl (1867–1948), Baltic German linguist and scholar
James M. Wahl (1846–1939), Norwegian American settler and South Dakota legislator
Jan Boyer Wahl (born 1933), American children's book author
Jean Wahl (1888–1974), French philosopher
Ken Wahl (born 1954), American film and television actor
Mats Wahl (born 1945), Swedish writer
Moritz Callmann Wahl (1829–1887), German writer
Rosalie E. Wahl (1924–2013), American jurist
Saul Wahl (1541–1617), legendary king of Poland
