Hammel, also spelled Hammell, is a surname, and may refer to:
Barry Hammel (born 1946, Hammel), American botanist Brian Hammel (born 1953), American college basketball coach Connor Hammell (born 1996), English footballer David Hammel (1838–1928), American businessman and politician Eric M. Hammel (1946–2020), military historian Heidi Hammel (born 1960), American astronomer Henry Hammel of the partnership Henry Hammel and Andrew H. Denker Henry A. Hammel (1840–1902), Union Army soldier and Medal of Honor recipient Howard Hammell (1896–1965), Canadian politician Jason Hammel, baseball pitcher Jason Hammel, drummer of the band Mates of State John Hammel (1940–1983), New Zealand cricketer Leif Hammel (born 1935), Danish racing cyclist Leopold Hammel (1858–1929), American lawyer and politician Pavol Hammel (born 1948), Slovak musician Penny Hammel (born 1962), American golfer Richard Hammel, American politician Steven Hammell (born 1982), Scottish retired footballer Sue Hammell (born 1945), Canadian politician Timo Hammel (born 1987), German footballer Todd Hammel, Arena Football League quarterback William Henry Hammell (1845–1937), Canadian politician William James Hammell (1881–1959), Canadian politician William A. Hammell, Chief of the Los Angeles Police Department (1904–1905)