McFetridge is a surname, anglicized form of Scottish Gaelic Mac Pheadruis, patronymic from a Gaelic form of the given name Peter. Notable people with the surname include:
- Duncan McFetridge (born 1952), Australian politician
- Edward C. McFetridge (1836–1914), American lawyer, businessman and politician
- Jack McFetridge (1869–1917), American baseball player
- Olcan McFetridge (born 1963), Irish hurler
- Peter McFetridge (born 1986), Canadian lacrosse player
- William McFetridge (1893–1969), American labor leader
