Vahl is a surname. Notable people with the surname include:

• Christian-Friedrich Vahl (born 1955), German cardiac surgeon

• Emanuel Vahl (born 1938), Ukrainian-Israeli composer

• Herbert-Ernst Vahl (1896–1944), German SS general

• Jens Vahl (1796–1854), Danish botanist and pharmacist, botanical authority abbreviation J.Vahl

• Martin Vahl (1749–1804), Danish-Norwegian botanist and zoologist, botanical authority abbreviation Vahl

See also

• Wahl (disambiguation)

• Waal (disambiguation)

• Wael

• Wahle

• Wahlen

• Vahlen