William Hare, 2nd Earl of Listowel

William Hare, 2nd Earl of Listowel, KP (22 September 1801 – 4 February 1856), known as Viscount Ennismore from 1827 to 1837, was an Irish peer and politician.

Listowel was the eldest son of Richard Hare, Viscount Ennismore, and Catherine Bridget Dillon.

During Melbourne's Whig ministry, he served as Vice-Admiral of Munster and was made a Knight of the Order of St Patrick in 1839.

Listowel instead returned to the House of Commons in 1841 when he was elected Whig MP for St Albans, a constituency he represented until 1846.

He died in February 1856, aged 54, and was succeeded in his titles by his eldest son William Hare, 3rd Earl of Listowel.