Peter Nelson may refer to: Peter Nelson (actor) (born 1959), American actor Peter Nelson (b. 1852) (1852–?), Danish-born American politician Peter Nelson (b. 1861) (1861–?), Norwegian-born American politician Peter Nelson (cyclist) (1931–1977), Australian cyclist Peter Nelson (researcher), professor and artificial intelligence researcher Peter Nelson, 9th Earl Nelson (1941–2009), British peer Peter Nelson Mwanza (born 1937), Malawian politician Peter Nelson (rugby player) (born 1992), Northern Irish rugby player Peter C. Nelson (1948–2013), American politician Peter Nelson (cricketer) (1918–1992), English cricketer Peter Nelson (cricketer, born 1913) (1913–1998), English cricketer and British Army officer