* Senior club appearances and goals counted for the domestic league only.
Thomas William Steel "Billy" Watkin (21 September 1932 – 2001) was an English footballer who played as an inside forward.
Watkin was an England schoolboy international who came through the junior ranks at Grimsby Town, signing a professional contract with them in October 1949. In December 1952, Watkin joined Gateshead, scoring a total of 14 goals in 40 league and cup appearances before moving to neighbours Middlesbrough in March 1954, where he scored 2 goals in 11 games. Watkin joined Mansfield Town in June 1955, scoring 5 goals in 26 league and cup games.