Martin Joseph Frail (29 March 1869 – 4 September 1939) was an English footballer who lived a traditional Romani lifestyle.

[1] His debut came in a friendly against Lincoln City on 14 November 1891, which Vale lost 2–0.

[1] Favoured ahead of Levi Higginson, he was the keeper of choice from September 1892, and kept goal in 19 of the club's 20 Second Division games in the 1892–93 season – Vale's first season in the English Football League.

[1] However, after 11 games into the 1893–94 season, he missed the train to a match at Rotherham Town on 28 October 1893 and was duly suspended as he failed to explain the reason why.

[1] He did not play another game at the Athletic Ground and was instead transferred to Gorton Villa in October 1894.