Alexander Forbes
Alexander Forbes may refer to:
- Alexander Forbes, 1st Lord Forbes (died 1448), Scottish baron
- Alexander Forbes, 4th Lord Forbes (died 1491), Scottish baron
- Alexander Forbes (bishop) (died 1617), bishop of Aberdeen
- Alexander Forbes, 11th Lord Forbes (died 1672), Scottish baron
- Alexander Forbes, 4th Lord Forbes of Pitsligo (died 1762), Scottish philosopher and Jacobite
- Alexander Penrose Forbes (died 1875), Scottish Episcopal Bishop of Brechin
- Alexander Stanhope Forbes (died 1947), Irish painter
- William Alexander Forbes (died 1883), English zoologist
- Alexander Forbes (explorer) (died 1862), Scottish explorer
- Alex Forbes, Scottish football player
- Alex S. Forbes, footballer