William Ryder (born 6 June 1982) is a Fijian rugby union footballer.

He was also one of the top try scorers of the World Sevens Series which has been overtaken recently.

[1] He was a part of the team that won the sevens world cup in 2005 and also won a bronze medal at the 2006 Commonwealth Games in Melbourne, Australia for the rugby sevens event.

He wanted to join the Fiji team in 2013 under the guidance of Ben Ryan for the first time in 3 years but was left from the final squad as Ryan stated he is not as fit as he was three years ago.

He kept on playing for local clubs in the domestic tournament to book a place in the Fiji team but it was unsuccessful all throughout the years.