Main is a surname.
People with the name include:
Alan Main, Scottish football goalkeeperAlexander H. Main. American politicianAnne Main, British politicianBert Main, Australian zoologistCharles T. Main, American engineerGrant Main, Canadian rowerJames Main, Scottish football playerJohn Main, British Benedictine monkMarjorie Main, American actressMichel Main, French traditionalist Catholic bishopRobert Main, British astronomerSandy Main, Scottish football playerTerence Main (born 1954), American modernist sculptorWillett Main, American politician