Billy Keast (born 24 November 1996) is an English professional rugby union player. He predominantly plays as a loosehead prop but has played as a tighthead prop before.[2]
Keast's father, Richard, played prop for Redruth and Cornwall. Keast was educated at Truro College. He represented England at U18 and U20 Rugby.[3][4]
Keast plays for Premiership Rugby side the Exeter Chiefs. In November 2016 he made his Chiefs debut in an Anglo-Welsh Cup clash away to Harlequins. Keast started in the same competition a week later as the Chiefs beat Cardiff Blues 62–25 at Sandy Park.[5][6][7] In 2016 he played for Redruth on loan,[8][9] and in August 2017 he joined the Cornish Pirates on loan.[10] In 2020 he was playing for the Chiefs.[11]