James R. Plunkett is an American politician who served as Mayor of Everett, Massachusetts from 1966 to 1968.

Plunkett began his political career as a member of the Everett Common Council, where he served two terms.

In 1961 he was elected to the Everett Board of Aldermen as an at-large member.

He defeated fellow Alderman George R. McCarthy 9858 votes to 9405.

[5] Outside politics Plunkett served as a member of the United States Marine Corps during the Korean War and was the owner and administrator of an Everett nursing home.