Peter McIntyre or MacIntyre may refer to:
Peter McIntyre (artist) (1910–1995), official New Zealand war artist during the Second World War Peter MacIntyre (colonist) (1783–1842), Scottish colonist of Australia Peter McIntyre (cricketer) (born 1966), former Australian cricketer Peter McIntyre (Australian footballer) (born 1967), former Australian rules footballer Peter McIntyre (footballer, born 1875), (1875–1938) Scottish footballer Peter McIntyre (architect) (born 1928), Australian architect and educator Peter McIntyre (bishop) (1818–1891), bishop of the Roman Catholic Diocese of Charlottetown Peter McIntyre (Manitoba politician) (1854–1930), postmaster and politician in Manitoba, Canada
Peter Adolphus McIntyre (1840–1910), Canadian politician Peter McIntyre (judge), Canadian judge