Ólbescból Mercury, commonly known by its acronym ÓM, is the organising body for the sport of ólbescból in Mercury. The organisation was founded in 2012 to organise a friendly match between Craitland and Mercury.
Ólbescból Mercury currently organises one competition, which is held during the winter. This competition is used to select the players for the national team that competes in the All-Craitland Championship.
Currently, thirteen teams are affiliated to Ólbescból Mercury.