Jeremy Davidson (born 28 April 1974 in Belfast) is a rugby union lock who played club rugby for Dungannon RFC, Ulster, London Irish and Castres Olympique. At international level he represented Ireland with 32 caps and also represented the British and Irish Lions. He attended Methodist College Belfast.
His playing career ended after he aggravated an old knee injury whilst fishing and, following a spell as director of rugby at Dungannon RFC, he moved on to coach Castres.
In June 2009 he became part of the coaching team at Ulster.
Notable achievements of his include being voted players' player of the tour on 1997 Lions tour, captaining Ulster and London Irish.