'''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
==See also== {{srt}} *Antwan *Antwaun *Antwaan Randle El *Antowain Smith *Antwaine Wiggins {{given name}}