Frank Halai (born 6 March 1988) is a Tongan rugby union player who plays as a winger for the Austin Gilgronis in Major League Rugby (MLR). He previously played for Pau in the Top 14. and for Counties Manukau in the ITM Cup, and before that Waikato. Halai is a former All Black Sevens and All Black representative, having played one test match in 2013.