Stanier is a surname. Notable people with the surname include:
John Stanier (drummer) (born 1968), played with Helmet and others John Stanier (British Army officer) (1925–2007), head of the British Army Marny Stanier (born 1962), American TV meteorologist Roger Stanier (1916–1982), Canadian microbiologist William Stanier (1876–1965), Chief Mechanical Engineer of the London, Midland and Scottish Railway
See also Stanier baronets, a UK baronetcy