Southby is a surname. Notable people with the surname include:
- Geoff Southby (born 1950), Australian rules footballer
- John Southby (disambiguation), several people
- Rhianna Southby (born 2000), English cricketer
- Richard Southby (1623–1704), English politician
- Southby Baronets
Surname listThis page lists people with the surname Southby. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: