Garson is a surname. Notable people with the surname include:

• Gerald Garson (1932–2016), American lawyer, former New York Supreme Court Justice and convicted felon
• Greer Garson (1904–1996), British actress, won the Best Actress Oscar for Mrs. Miniver (1942)
• Margaret Garson (1927–2020), Australian physician and cytogenetics researcher
• Mary Garson, Australian biochemist and academic
• Mary Garson (nun) (1921–2007), Scottish nun
• Mike Garson (born 1945), American jazz pianist
• Mort Garson (1924–2008), Canadian-born composer and arranger, electronic music pioneer
• Scott Garson (born 1976), American college basketball coach
• Stuart Garson (1898–1977), Canadian politician, former Premier of Manitoba and federal cabinet minister
• William Garson (1856–1911), Scottish-born Ontario and Manitoba businessman and political figure
• Willie Garson (1964–2021), American character actor