Henry Grattan (1789 – 16 July 1859) was an Irish politician, who was Member of Parliament for Dublin City on behalf of the Whigs from 1826 to 1830 in the British House of Commons.
His father, also named Henry Grattan, was a famous Irish orator and statesman.
However at a by-election on 30 June of that year, he was defeated by the Tory candidate, Thomas Ellis.
In the 1826 general election, Grattan was returned unopposed for the Dublin City seat.
This article about a Member of the Parliament of the United Kingdom, for a constituency in Ireland between 1801 and 1922 is a stub.