Deane Alexander Williams (born 23 September 1996) is a British professional basketball player who last played for Napoli Basket of the Italian Lega Basket Serie A (LBA).

[2] In the summer of 2019, Williams signed with Úrvalsdeild karla club Keflavík.

[7] In July 2021, Williams signed with LNB Pro B club Saint-Quentin.

[8] On 28 June 2022 Williams signed with Telekom Baskets Bonn of the German Basketball Bundesliga.

[9] On 18 July 2023 he signed with Baskets Oldenburg of the Basketball Bundesliga.