John Henry Esquirol (May 18, 1900 – December 31, 1970) was the ninth bishop of the Episcopal Diocese of Connecticut.

He was awarded the degree of Doctor of Sacred Theology from Berkeley Divinity School.

Esquirol was ordained deacon in 1936 and priest a year later, both by the Bishop of Long Island, Ernest M. Stires.

He was consecrated on April 9, 1958, by Presiding Bishop Henry Knox Sherrill in Christ Church Cathedral in Hartford, Connecticut.

Bishop Esquirol died shortly after his accession on December 31, 1970, after a long illness.