Sir Edward Denny, 3rd Baronet (died 1 August 1831) was an Anglo-Irish politician.
His family effectively owned the town of Tralee and had great political influence in County Kerry.
On 20 October 1794 he succeeded to his brother's baronetcy, after Sir Barry was killed in a duel with John Gustavus Crosbie.
He was elected to the House of Commons of the United Kingdom as a Tory Member of Parliament for Tralee in September 1828, but resigned after less than a year in June 1829 due to poor health.
Robert Day, judge of the Court of King's Bench (Ireland) and his family's former legal adviser, and his first wife Mary (Polly) Potts, on 26 May 1795, and together they had six children, including Edward, Robert, Diana and Anthony, Archdeacon of Ardfert.