Tallant is a surname and occasional given name. Notable people with the name include:

Surname Alice Weld Tallant (1875–1958), American physician and professor Dave Tallant (1896–1948), American football player Maria Tallant Owen (1825–1913, née Tallant), American botanist Nicola Tallant (born 1974), Irish investigative journalist Steven H. Tallant (born 20th century), American university president

Given name Tallant Tubbs (1897–1969), Californian senator

See also Tallent (surname)