FIFA International Referees affiliated to the Guyana Football Federation (GFF) have been appointed to officiate in the CONCACAF Preliminary Competition for the 2018 FIFA World Cup.According to a GFF release, Sherwin Moore (Referee), Venton Mars (Assistant Referee 1), Andrew Porter (Assistant Referee 2) and Sherwin Johnson (Fourth Official) have been appointed by FIFA to officiate in the St Kitts & Nevis vs Turks & Caicos Islands match on March 23 at the Warner Park Sporting Complex in St Kitts and Nevis.

Additionally, Trevor Johnson has been appointed by FIFA as the Fourth Official for the U.S. Virgin Islands vs Barbados match on March 29 at the Lionel Roberts Park in the United States Virgin Islands.
The GFF has confirmed the participation of all the aforementioned referees to FIFA.