The Rees Baronetcy, of Aylwards Chase in the County of Middlesex, was a title in the Baronetage of the United Kingdom.
It was created on 8 May 1919 for Sir J. D. Rees, in honour of parliamentary and public services.
He was succeeded by his son, the second Baronet.
He was a diplomat, writer and painter.
The title became extinct on his death in 1970.