Grays United F.C.

was a football club based in Grays, Essex, England.

[1] The club joined Division Two of the Southern League in 1899.

[2] In 1900–01 they finished second and qualified for the promotion-relegation test matches.

However, after the game against Division One club Watford ended 0–0, Grays refused to play extra time, and were subsequently not promoted.

[3] The club withdrew from the Southern League at the end of the 1905–06 season and merged with Grays Juniors to form Grays Athletic.