Peter Grant may refer to:
Sportspeople
Peter Grant (athlete) (born 1954), Australian Olympic sprinter
Peter Grant (footballer, born 1879) (1879–1937), Scottish footballer
Peter Grant (footballer, born 1965), Scottish football player and coach, played for Celtic and Scotland, manager of Norwich City
Peter Grant (footballer, born 1994), Scottish football player, played for Falkirk, son of footballer born 1965
Peter Grant (rugby union) (born 1984), South African rugby union player
Other people
Peter Grant (1714?–1824), known as Auld Dubrach, last survivor of the Jacobite rising of 1745
Peter Grant (abbé) (died 1784), Scottish Roman Catholic priest, agent and abbé
Peter Grant (politician) (born 1960), SNP politician elected 2015
Peter Grant (journalist), journalist for The Wall Street Journal
Peter Grant (music manager) (1935–1995), English music manager
Peter Grant (pastor) (1783–1867), Scottish pastor, poet and songwriter known as Pàdraig Grannd nan Oran
Peter Grant (singer) (born 1987), English singer
Peter Grant (former broadcaster) (died 2025), former English television and radio presenter
Peter and Rosemary Grant, evolutionary biologists at Princeton University
Peter Grant (VC) (1824–1868), Irish Victoria Cross recipient
Peter J. Grant (1943–1990), British ornithologist
Peter Mitchell Grant (born 1944), Scottish academic
Peter Grant (sculptor) (1915–2003), Irish sculptor
Peter Grant, Canadian businessman and complainant in Grant v Torstar Corp, a leading Supreme Court of Canada case on defamation
Other uses
Peter Grant (book series), a series of fantasy novels by Ben Aaronovitch