Prahl is a surname. Notable people with the surname include:
Axel Prahl (born 1960), German actor Georg Prahl Harbitz (1802–1889), Norwegian priest and politician Lita Prahl (1905–1978), Norwegian actress and costume designer Martin Prahl, Swedish singer-songwriter Norman Rudolph Prahl (1919-1996), American politician Tom Prahl (born 1949), Swedish footballer and manager
See also Prahl Crags, group of rock crags in Antarctica