Doby is a surname. Notable people with the surname include:
Larry Doby (1923–2003), American baseball player Winston C. Doby (1940–2011), American university administrator Kathryn Doby, Hungarian actress, dancer and choreographer Mathieu Doby (born 1982), Belgian slalom canoeist Monica Doby-Davis (born 1969), Grammy-nominated singer, Brownstone
See also Dobie (name)