Sir Robert Geoffrey Ellis, 1st Baronet (4 September 1874 in Shipley, West Yorkshire[1] – 28 July 1956) was a Conservative Party politician in the United Kingdom.

Ellis did not contest Wakefield again, but at the 1931 general election he was returned as MP for Winchester.

He retired from the House of Commons at the 1945 general election.

He was made a baronet, of Threshfield in the West Riding of the County of York, in 1932.

This article about a Conservative Member of the Parliament of the United Kingdom representing an English constituency and born in the 1870s is a stub.