Guyana (pronounced or), officially the Co-operative Republic of Guyana, is a sovereign state on the northern mainland of South America.
This is a list of cricket umpires who have officiated at least one One Day International (ODI) match.
This is a list of cricket umpires who have officiated at least one Twenty20 International (T20I) match.
A One Day International (ODI) is a form of limited overs cricket, played between two teams with international status, in which each team faces a fixed number of overs, usually 50.
A Twenty20 International (T20I) is a form of cricket, played between two of the international members of the International Cricket Council (ICC), in which each team faces twenty overs.
In cricket, an umpire (from the Old French nompere meaning not a peer, i.e. not a member of one of the teams, impartial) is a person who has the authority to make decisions about events on the cricket field, according to the Laws of Cricket.