Henry Thomas Butler, 2nd Earl of Carrick (19 May 1746 – 20 July 1813), styled The Honourable from birth to 1748 and then as Viscount Ikerrin between 1748 and 1774, was an Irish peer and politician.
He was the son of Somerset Butler, 1st Earl of Carrick and Lady Juliana Boyle. Butler held the office of Member of Parliament for Killyleagh in the Parliament of Ireland between 1768 and 1774. He succeeded to the title of 2nd Earl of Carrick on 15 April 1774. He died in 1813 at Mount Juliet, County Kilkenny, Ireland.
On 7 August 1774, he married Sarah Taylor, daughter of Colonel Edward Taylor and Anne Maunsell.