Valenti is an Italian surname, and may refer to:

• Carlos Valenti (1888–1912), French-born painter, worked primarily in Guatemala
• Chi Chi Valenti, American journalist, nightlife producer, and performance artist
• Dino Valenti, (1937–1994), American musician
• Ed Valenti (contemporary), marketing expert; credited with creation of the infomercial genre
• Fernando Valenti (1926–1990), American harpsichordist
• Giada Valenti, Italian musician
• Giuseppe Valenti (19th century), Italian sculptor
• Jack Valenti (1921–2007), American film industry executive; president of the MPAA 1966–2004
• Jessica Valenti (born 1978), American feminist blogger and writer
• Joey Valenti (born 1966), American professional soccer player
• John Valenti (contemporary), American singer and songwriter
• Ludovico Valenti (1695–1763) Roman Catholic Cardinal, Bishop of Rimini
• Mark Valenti (contemporary), American writer
• Matt Valenti (contemporary), American college wrestler
• Mike Valenti (born 1980), American sports talk-show radio host
• Osvaldo Valenti (1906–1945), Italian film actor
• Rocco Valenti (1895–date of death unknown), American New York gangster; member of the Morello crime family
• Sam Valenti IV (contemporary), American record producer
• Sergio Valenti (born 1985), Argentine professional football player
• Shane Valenti (born 1987), Australian professional football player
• Tom Valenti (born 1959), American chef and restaurateur

• Sheriff Jim Valenti, character on the American television series Roswell
• Kyle Valenti, character on the American television series Roswell