William Skelton (born 3 May 1992) is an Australian rugby union player, who plays as a lock for La Rochelle in the French Top 14 competition.

[2][8] He made his Super Rugby debut against the Stormers,[3] and was selected to play for the Waratahs against the British and Irish Lions in June of that year.

[16] Skelton was called up to play for the Wallabies again for the 2021 end-of-year rugby union internationals, alongside former teammates Kurtley Beale, Tolu Latu and Rory Arnold.

[19] The following season, he won his third Heineken Champions Cup with La Rochelle, beating once again Leinster in the 2023 final in Dublin, Ireland on 20 May.

[21] Skelton's inclusion in the Wallabies squad for the 2015 Rugby World Cup was cut short after he sustained a shoulder injury during the tournament.

In 2016 he struggled with injury but added 4 caps to his tally, coming off the bench in the spring tour in wins against Scotland and France.