Delby Powless (born July 3, 1980), is a Mohawk lacrosse player from the Six Nations of the Grand River First Nation near Brantford, Ontario. He was born in Six Nations, Ontario, and is the grandnephew of Ross Powless and cousin of Gaylord Powless, both of whom are in the Canadian Lacrosse Hall of Fame. He plays for the Buffalo Bandits of the National Lacrosse League and formerly for the Hamilton Nationals of Major League Lacrosse.