James Martin Tennyson (born 6 August 1993) is a Northern Irish former professional boxer who competed from 2012 to 2021. who challenged for the IBF super-featherweight title in 2018 and the IBO lightweight title in May 2021. At regional level he held the Commonwealth and European super-featherweight titles in 2018 and the British lightweight title from 2020 to May 2021.