Sir Barry Denny, 2nd Baronet

Sir Barry Denny, 2nd Baronet (died 20 October 1794) was an Anglo-Irish politician.

Denny was the son of Sir Barry Denny, 1st Baronet and Jane Denny. He served as an officer in the Kerry Militia, eventually becoming a Major. Following his father's death in April 1794, he became a baronet and was elected to his late father's seat in the Irish House of Commons, representing Kerry. He also served as High Sheriff of Kerry in 1794. At a by-election for the seat in October that year, Denny promised to remain neutral and not come between the Crosbie, Blennerhassett and Herbert families who were contesting the seat. One of the candidates, John Gustavus Crosbie, took offence at one of Denny's remarks which he took to be a breach of his neutrality, and challenged him to a duel. Denny was shot through the head and killed by Crosbie in the ensuing duel. He had married Anne Morgell, the daughter of Crosbie Morgell, on 12 January 1794, and died without issue. He was about to be raised to the Peerage of Ireland as Baron Denmore when he was killed.