The Cain Baronetcy, of Wargrave in the County of Berkshire, was a title in the Baronetage of the United Kingdom.
It was created on 29 January 1920 for Sir William Ernest Cain.
[1] He was the third son of Robert Cain, founder of the brewery firm of Robert Cain & Sons, and the elder brother of Charles Alexander Nall-Cain, 1st Baron Brocket.
The title became extinct on the death of his son, the second Baronet, in 1969.