Salo is a surname. Notable people with the surname include:
- Dave Salo, American swim team head coach
- David Salo (born 1969), American linguist
- Eero Salo (1921–1975), Finnish politician
- Elaine Salo (1962–2016), South African anthropologist and academic
- Elina Salo (born 1936), Finnish actress
- Mika Salo (born 1966), Finnish Formula One driver
- Ola Salo (born 1977), Swedish singer
- Robin Salo (born 1998), Finnish ice hockey player
- Sami Salo (born 1974), Finnish ice hockey player
- Toivo Salo (1909–1981), Finnish chess player
- Tommy Salo (born 1971), Swedish ice hockey player