The 2018 World Seniors Championship was a snooker tournament, taking place at the Baths Hall in Scunthorpe, England, from 21 to 24 March 2018.

Qualifying for the tournament was open to non-tour players, aged 40 and over on 1 January 2018.

[1] In addition to the winner's cheque the champion received a place in the qualifying tournament for the 2018 World Snooker Championship.

The Championship was won by Aaron Canavan, who beat Patrick Wallace 4–3 in the final.

[2] The breakdown of the tournament prizes is shown below:[3] Players were seeded based on the titles won during their professional careers: Eight qualifying events for the 2018 World Seniors Championship took place during the World Seniors Tour 2017/2018:[4] Each qualifier took their place alongside invited players and replacements in the main draw of the championship.