| Intro | Irish politician |
| Was | Politician |
| From | United Kingdom |
| Type | Politics |
| Gender | male |
| Birth | 4 March 1728 |
| Death |
24 January 1779 (aged 50 years) |
Brinsley Butler, 2nd Earl of Lanesborough, PC (Ire) (4 March 1728 – 24 January 1779), styled The Honourable until 1756 and Lord Newtown-Butler from 1756 to 1768, was an Irish politician and peer. He succeeded his father as 2nd Earl of Lanesborough in 1768.
From 1751 until 1768, he was a Member of Parliament (MP) for Cavan County in the Irish House of Commons, and was High Sheriff of Westmeath in 1763.
He was also a freemason and was Deputy Grand Master of the Grand Lodge of Ireland from 1753–56 and elected Grand Master in 1757, a post he held until the following year.
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