Denny (given name)
Denny is a masculine given name. Notable people with the name include:
- Denny, a character from The Room, played by Philip Haldiman.
- Denny Crane
- Denny Crum (born 1937), former American college men's basketball coach
- Denny Doherty (1940–2007), Canadian musician; former member of the folk group The Mamas & the Papas
- Dennis Douds (born 1941), American football coach
- Denny Hamlin (born 1980), American NASCAR auto racer
- Dennis Hastert (born 1942), American politician and former Speaker of the United States House of Representatives
- Denny Hocking (born 1970), American former professional baseball player
- Denny Hulme (1938–1992), New Zealand Formula One auto racer
- Denny Kantono (born 1970), Indonesian retired badminton player
- Denny Landzaat (born 1976), Dutch footballer
- Denny McLain (born 1944), American former professional baseball player
- Denny Morrison (born 1985), Canadian world and Olympic champion speedskater
- Denny Moyer (1939–2010), American boxer; world light middleweight champion (1962–63)
- Denny Neagle (born 1968), American former professional baseball player
- Dennis O'Neil (born 1939), comic book writer and editor
- Denny R. (born 1994), Filipino author
- Denny Rehberg (born 1955), U.S. Representative for Montana's At-large congressional district
- Denny Shute (1904–1974), American golfer
- Denny Smith (born 1938), businessman and former congressman from Oregon
- Denny Duquette, a fictional character on the US TV series Grey's Anatomy
- Denny Yau, first born of Ahnee and Justin