Cha is a nickname used by people with the given name Charles and its variants. Cha is also both a Chinese and Korean surname

Nickname

• Charles Cha Burns (1957 – 2007), Scottish rock guitarist
• Charleen Cha Cruz-Behag (born 1988), Filipino volleyball player
• Cha Fitzpatrick, nickname of James Fitzpatrick (hurler) (born 1985), Irish hurler
• Charisse Cha Hernandez (born 1993), Filipina politician
• Hideyuki Cha Katō, also known as Kato-chan (born 1943), Japanese comedian and actor
• Jarlath Cha Whelan (1939 – 22 March 1996), Irish hurler

Other

• Dia Cha (born 1960s), Laotian American author and academic