John Edgar Reyburn (February 7, 1845 - January 4, 1914) was a Republican member of the U.S. House of Representatives from Pennsylvania, and Mayor of Philadelphia. John Edgar Reyburn (father of William S. Reyburn) was born in New Carlisle, Ohio. He attended Saunders Institute in West Philadelphia, PA. He was a member of the Pennsylvania House of Representatives in 1871 and again in 1874 through 1876. He was a member of the Pennsylvania State Senate from 1876 through 1892 and served as president pro tempore during the session of 1883.
He elected to Congress as a Republican to fill the vacancy caused by the death of William D. Kelley. He reelected three times before he was an unsuccessful candidate for renomination in 1896. He was again elected Congress to fill the vacancy caused by the death of Robert Adams, Jr., and was reelected in 1906 to the 60th Congress and served 1907, when he resigned to serve as elected Mayor of Philadelphia. He served as mayor from April 1, 1907, to December 4, 1911.