The Ellis-Griffith Baronetcy, of Llanidan in the County of Anglesey, was a title in the Baronetage of the United Kingdom.
[1] It was created on 26 January 1918 for the barrister and Liberal politician Ellis Ellis-Griffith.
He was succeeded by his only surviving son, the second Baronet.
On his early death in 1934 the title became extinct.