Vailala Lima "Vai" Taua (/ˈvaɪ ˈtaʊ.ə/; born October 11, 1988) is an American football coach and former running back who is currently the assistant head coach at Nevada. He played college football at Nevada and briefly in the National Football League (NFL) as an undrafted free agent for the Buffalo Bills and Seattle Seahawks from 2011 to 2012.