Tom Ball Dunn (born 12 November 1992 in Bath, England) is an English professional rugby union footballer. He plays at hooker for Bath.
In August 2017 Dunn was invited to a training camp with the senior England squad by Eddie Jones. In January 2018 he was named in England's squad for the 2018 Six Nations Championship. He was called up again for the 2020 Six Nations Championship.
On 31 October 2020 he made his England debut from the bench in England's delayed final Six Nations match against Italy, to become the 2020 Six Nations champions.