Sugar is a class of edible substances.

Sugar may also refer to:

• Sugar Creek (disambiguation), various waterways in the United States
• Sugar Island (disambiguation), various islands in North America
• Sugar Mountain (North Carolina)
• Sugar River (disambiguation), various rivers in the United States

• Sugar Cain (1907–1975), Major League Baseball pitcher
• Rashad Evans (born 1979), American mixed martial artist nicknamed "Sugar"
• Jessica Kiper (born 1979), Survivor contestant, nicknamed "Sugar"
• Sugar Ray Leonard (born 1956), American boxer
• Sugar Ray Marimón (born 1988), Major League Baseball pitcher from Colombia
• Sugar Minott (1956–2010), Jamaican reggae singer, producer
• Shane Mosley (born 1971), American boxer nicknamed "Sugar"
• Sugar Blue (James Whiting, born 1950), American blues harmonica player
• Sugar Ramos (born 1941), Cuban-Mexican boxer
• Micheal Ray Richardson (born 1955), American former basketball player and head coach
• Sugar Chile Robinson (born 1938), American blues and boogie child prodigy pianist
• Sugar Ray Robinson (1921–1989), American boxer
• Sugar Ray Seales (born 1952), U.S. Virgin Islands-born American boxer

• Sugar Lyn Beard (born 1981), Canadian actress, stage name "Sugar"
• Sugar, a female professional wrestler from the Gorgeous Ladies of Wrestling
• Sugar, the stage name of American drag queen Cooper Coyle

• Sugár, a Hungarian-language surname, of different etymology
• Alan Sugar (born 1947), English entrepreneur and TV personality
• Bert Sugar (1937–2012), American boxing writer and sports historian
• Leo Sugar (1927-2020), American football player
• Maurice Sugar (1891–1974), American political activist and labor attorney
• Rebecca Sugar (born 1987), American animator, composer and director
• Ronald Sugar (born 1948), American businessman, former chairman of the board, and chief executive officer of Northrop Grumman Corporation

• Sugar, the titular character in A Little Snow Fairy Sugar
• Sugar, a Batman Forever character
• Sugar, one of the protagonists of Sugar and Spike, a DC Comics comic book series (1956-1971)
• Sugar, a character from Total Drama All-Stars and Pahkitew Island
• John Sugar, the lead character in the TV series Sugar, portrayed by Colin Farrell

• Sugar (2004 film), a Canadian romantic drama film
• Sugar (2008 film), an American baseball drama film
• Sugar (2013 film), an American drama film
• Sugar (2019 film), a Ghanaian musical romantic comedy film

• Sugar (American band), an alternative rock band of the 1990s
• Sugar (South Korean group), South Korean group active 2001-2006
• the two female vocalists in Dave & Sugar, a country music trio
• Sugar (trio), a Japanese vocal group of the 1980s

• Sugar Music, an Italian record label

• Sugar (15& album), 2014
• Sugar (Aloha album), 2002
• Sugar (Claw Boys Claw album), 1992
• Sugar (Dead Confederate album), 2010
• Sugar (Etta Jones album), 1979
• Sugar (Leon Redbone album), 1990
• Sugar (Robin Schulz album), 2015
• Sugar (Stanley Turrentine album), 1971
• Sugar (Tokio album), 2008
• Sugar (Tonic album), 1999
• Sugar, by Nancy Sinatra, 1967

• "Sugar: That Sugar Baby O'Mine", 1926
• "Sugar" (Armand Van Helden song), 2005
• "Sugar" (Editors song), 2013
• "Sugar" (Flo Rida song), 2009
• "Sugar" (Ladytron song), 2005
• "Sugar" (Maroon 5 song), 2014
• "Sugar" (My Bloody Valentine song), 1989
• "Sugar" (Peking Duk and Jack River song), 2019
• "Sugar" (Robin Schulz song), 2015
• "Sugar" (Brockhampton song), 2020
• "Sugar" (System of a Down song), 1998
• "Sugar" (Natalia Gordienko song), 2021
• "Sugar (Gimme Some)", by Trick Daddy featuring Ludacris, Lil' Kim, and Cee-Lo Green
• "Sugar", by Aaron Carter from his album Another Earthquake!
• "Sugar", by Bikini Kill from their album Pussy Whipped
• "Sugar", by Garbage from their album Not Your Kind of People
• "Sugar", by Karmin from their album Leo Rising
• "Sugar", by Lenny Kravitz from his album Are You Gonna Go My Way
• "Sugar", by Leona Lewis from her album Glassheart
• "Sugar", by Simple Minds from their album Cry
• "Sugar", by Sofia Carson from her album Sofia Carson
• "Sugar", by Stevie Wonder from his album Signed, Sealed & Delivered
• "Sugar", by Tiny Lights from their album Stop the Sun, I Want to Go Home
• "Sugar", by Tori Amos from her album To Venus and Back and b-side from her China single

• Sugar (musical), a 1972 musical
• Sugar, half of the duo Milk & Sugar, German house music producers and record label owners
• Sugar (Canadian TV series), Canadian cooking show
• Sugar (2018 TV series), an American reality series by Adam Levine
• Sugar (2024 TV series), American drama TV series
• sugarscape.com, a former girls teen magazine

• Sugar (desktop environment), an open source desktop environment for children
• SugarCRM, a company providing customer relationship management (CRM) software
• Syntactic sugar, syntactical elements of a computer language added primarily for convenience

• Sugar Bowl, an annual American college football bowl game

• Sugar City (disambiguation)
• Sugar, Sugar (disambiguation)
• Big Sugar, a nickname of Matt Cain (born 1984), American retired Major League Baseball pitcher
• Sugaring (epilation), a method of hair removal
• Sugarland (disambiguation)
• Suger, a French abbot
• Sugaar, a Basque deity