Biga may refer to:

Places Biga, Çanakkale, a town and district of Çanakkale Province in Turkey Sanjak of Biga, an Ottoman province Biga Çayı, a river in Çanakkale Province Biga Peninsula, a peninsula in Turkey, in the northwest part of Anatolia

Other uses Biga (bread baking), a type of pre-fermentation used in Italian baking Biga and Busca, two political factions in the 15th century Catalan Civil War Biga (typeface) Biga (chariot), a two-horse chariot used in ancient Mediterranean countries Bigha, a unit of land area used in North India Biga language, an Austronesian language of West Papua, Indonesia

See also Bigeh, an island in the River Nile Biga Ranx (born 1988), French musician