Rab is a nickname, in Scotland a diminutive form (hypocorism) of Robert. It may refer to:
Robert Rab Douglas (born 1972), Scottish football goalkeeper Rab Noakes (born 1947), Scottish singer-songwriter Rab Kilgour (born 1956), Scottish former footballer Rab Shannon (born 1966), Scottish former footballer Rab Smith (born 1950), Scottish former competitive darts player Rab Stewart (born 1932), Scottish former footballer Rab Stewart (footballer, born 1962) (1962–2016), Scottish footballer
Other Rab Butler (1902–1982), British Conservative politician Rab Howell (1869–1937), English footballer
