William Dennis Williams (27 September 1905 – 8 March 1994) was an English professional footballer who played as a forward.

Born in Leytonstone, he became the youngest ever professional at 15 years of age, when in 1921 he signed for West Ham United from Fairbairn House.

On 6 May 1922 (making an appearance against Blackpool) at aged 16 years and 221 days, he became West Ham's youngest ever player; a record he held until Reece Oxford made his debut 23 days younger in 2015.

[1][2][3] The forward made 44 appearances in all competitions and scored nine goals for West Ham before joining Chelsea in 1927.

This biographical article related to association football in England, about a forward born in the 1900s, is a stub.