Thomas Ellis (c. 1774–1832) was a Tory UK Member of Parliament representing Dublin City in 1820–1826.
In a by-election on 30 June 1820 Ellis replaced the deceased former Whig MP the Right Honourable Henry Grattan.
The Whig candidate defeated in the by-election was the great orators son also called Henry Grattan.
Ellis retained the seat until he retired, at the dissolution of Parliament, in 1826.
This article about a Member of the Parliament of the United Kingdom, for a constituency in Ireland between 1801 and 1922 is a stub.