The 2018 Gibraltar Open (officially the 2018 ManBetX Gibraltar Open) was a professional ranking snooker tournament that took place from 7 to 11 March 2018 at the Tercentenary Sports Hall in Gibraltar. It was the seventeenth ranking event of the 2017/2018 season. Shaun Murphy was the defending champion, but due to back and neck problems he withdrew prior to the tournament. Ryan Day captured his second career ranking title, both won in the 2017/2018 season. He did so with a 4–0 win in the final against Cao Yupeng.