Nathaniel "Nath" Miller (born September 21, 1979) is a male water polo player from Canada.

He won three bronze medals at the Pan American Games with the Canada men's national water polo team during his career.

Playing as a driver Miller was named MVP at the 2002 Commonwealth Water Polo Championships.

Former the head coach and athletic director of the Calgary Renegades Water Polo Club.

This biographical article relating to a Canadian water polo figure is a stub.