Antwain

Antwain is a given name that is an alternate form of Antoine. Notable people known by that name include the following:

Given name

 * Antwain Barbour (born 1982), American basketball player
 * Antwain Britt (born 1978), American mixed martial artist
 * Antwain Smith (born 1975), American basketball player
 * Antwain Spann (born 1983), American football player

Middle name

 * Dewarick Antwain Spencer, full name of Dewarick Spencer (born 1982) is an American and Egyptian professional basketball