Robert Paul Lainton (born 12 October 1989) is an English professional footballer who plays as a goalkeeper for National League club Wrexham.
He turned professional at Bolton Wanderers in March 2011 but never played a first team game for the club. He joined Bury in July 2013 and would go on to play 45 games for the club over the next four seasons, 22 of which came in their 2014–15 promotion campaign out of League Two; he was actually a free agent for the first half of the 2016–17 season in between being released and re-signed by Bury. He also played 14 games on loan at Burton Albion in the second half of the 2013–14 season, and played one game on an emergency loan at Cheltenham Town in April 2017. He signed with Port Vale in June 2017. After struggling with injury during his first season at the club, he was allowed to sign with Wrexham after a spell on loan at the Welsh club. He went on to be named as Wrexham's Player of the Season for the 2018–19 campaign.