Ryan Michael Lewis Millar (born 12 May 1994) is a British professional rugby league footballer who plays on the wing for the Sheffield Eagles in the Betfred Championship.

[6] Millar is a graduate of the Sheffield Eagles Academy system[7] He made his professional debut for the Eagles on 26 June 2015 in a 14 points to 22 away triumph at London Broncos, he scored two consecutive tries in 5 minutes to put his team 10–6 in front just after the half-time break.

Millar made his home debut against Hull Kingston Rovers in The Qualifiers at Bramall Lane.

Millar has forced his way into a regular first team spot ahead of the 2016 season, as one of the newest young talents to come out the Eagles' youth set-up.

Millar played a total of 22 games (21 starts) during 2017, but his scoring run dried up as he only managed the one try against Oldham on the first day of the season.