Rhett is both a given name and a surname. Notable people with the name include:
Given name:
Rhett Akins (born 1969), American country singer and songwriter
Rhett Biglands (born 1977), former Australian rules footballer
Rhett Davies (born 1949), English record producer and engineer
Rhett Forrester (1956–1994), American musician and lead singer of the band Riot
Rhett Harty (born 1970), American former soccer defender
Rhett Hall (born 1968), American National Football League defensive lineman
Rhett Lawrence, record producer and songwriter
Rhett Lockyear (born 1983), Australian cricket player
Rhett McLaughlin (born 1977), YouTube personality
Rhett Miller (born 1970), lead singer of the alternative country band Old 97's
Rhett Titus, ring name of professional wrestler Everett Lawrence Titus (born 1987)
Rhett Warrener (born 1976), Canadian retired hockey defenceman
Rhett Wiseman (born 1994), American baseball player
Surname:
Alicia Rhett (1915–2014), American portrait painter and actress; acted in Gone with the Wind
Cecily Rhett (contemporary), American film editor
Errict Rhett (born 1970), American professional football player
Robert Rhett (1800–1876), American secessionist politician from South Carolina; U.S. senator 1850–52; Confederate congressman
Thomas G. Rhett (1821–1878), American army officer, Confederate major-general
William Rhett (fl. early 18th century), American colonial leader from South Carolina
Stage name:
Thomas Rhett (born 1990), American singer
Fictional characters:
Rhett Butler, from the 1936 novel and 1939 film Gone With The Wind
Rhett the Boston Terrier, official costumed mascot of the Boston University and Boston University Academy Terriers