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.
| Escutcheon: | Argent a chevron Sable between three ravens Proper on a chief of the second between two plates each charged with a cross Gules a like plate charged with a demi-lion rampant erased Azure. |
| Crest: | A demi-lion rampant erased Azure charged on the shoulder with a plate thereon a cross Gules. |
| Motto: | Deus Alit Eos (God Nourishes Them)[1] |