McAteer is a surname. Notable people with the surname include:
Alexander McAteer (born 1964), second husband of Princess Elena of Romania
Andy McAteer (born April 24, 1961 in Preston, Lancashire) is an English former professional footballer.
Ed McAteer (1926-2004) was a leader of the Christian right in the United States; founder of the Religious Roundtable
Eddie McAteer (1914 – 28 March 1986) was a nationalist politician in Northern Ireland.
Fergus McAteer is an accountant and former politician in Northern Ireland.
Hugh McAteer (1917 – June 1972) was a volunteer in, and leader of, the Irish Republican Army.
J. Eugene McAteer (1916–1967) was a California politician.
Jason McAteer (born 18 June 1971 in Birkenhead, England) is a former Irish international football player.
John McAteer (1933–1977) was National Organiser of the Scottish National Party (SNP) from 1968 to 1977.
Mick McAteer (born 1962), Irish-British consumer campaigner
Myrtle McAteer (1878–1952) was an American tennis player around the turn of the 20th Century.
R.T.James McAteer (born 1978), Astronomer, Researcher, Educator at New Mexico State University