Folau is a Tongan surname. Israel Folau (born 1989), Australian professional rugby footballer Maria Folau (nee Tuta'ia ) (born 1987) wife of Israel Folau Spencer Folau (born 1973), Tongan American football player Tevita Folau (born 1985), Australian professional rugby league footballer Mylee Folau (born 1995), American Economist Folau Fainga'a (born 1995), Australian rugby union player Tongan-language surnames