Merl is both a surname and a given name. Notable people with the name include:
Surname Monika Merl (born 1979), German 800 metre runner Noah Merl (born 1983), American psychotherapist and former soccer player Robert Merl (born 1991), Austrian orienteering competitor Volkert Merl (born 1944), German racing driver
Given name Merl Code (born 1948), American lawyer and former Canadian Football League player Merl Condit (1917–1992), American National Football League player Merl LaVoy (1885–1953), American photographer and documentary cinematographer Merl Lindsay (1916–1965), American Western swing musician Merl Reagle (1950–2015), American crossword constructor Merl Saunders (1934–2008), American keyboardist