Peter McDonald may refer to: Peter J. McDonald (1912–1971), Canadian politician Peter McDonald (critic) (born 1962), Northern Irish poet and academic Peter McDonald (actor) (born 1972), Irish stage and screen actor Peter McDonald (artist) (born 1973), Japanese/English artist Peter McDonald (darts player) (born 1967), Scottish former darts player Peter McDonald (demographer), Australian demographer Peter McDonald (cyclist) (born 1978), Australian cyclist Peter McDonald (footballer), Irish footballer Peter McDonald (MP) (1836-1891), Irish Member of Parliament