John B. Keefe, Sr. (May 28, 1928 – March 11, 1997) was an American lawyer, politician, and judge.
Keefe served in the United States Army in 1946 and 1947.
He lived with his wife and family in Hopkins, Minnesota and practiced law.
He served as the municipal judge for the city of Hopkins.
He died at his home in North Key Largo, Florida from a heart attack.