Formed in 1950, Carmarthen Town was elected into the Welsh Football League in 1953. Their first league honour came in 1959–60, with promotion from Division 2 West to the First Division of the Welsh League. Carmarthen Town's first trophy was the Welsh Football League Cup, which they won in the 1995–96 season. Since then the club have gone on to win the Welsh Cup once and the Welsh League Cup twice. They have also qualified for UEFA competitions on four occasions.