John Coggswell Conner (October 14, 1842 – December 10, 1873) was a U.S. Representative from Texas.

John Conner
Member of the U.S. House of Representatives from Texas's 2nd district
In office March 31, 1870 – March 3, 1873
Preceded by	Andrew J. Hamilton
Succeeded by	William P. McLean
Personal details
Born	(1842-10-14)October 14, 1842 Noblesville, Indiana, U.S.
Died	December 10, 1873(1873-12-10) (aged 31) Washington, D.C., U.S
Political party	Democratic
Education	United States Naval Academy
Military service
Allegiance	United States of America
Branch/service	United States Navy
Years of service	August 30, 1862–June 20, 1864 July 28, 1866–November 29, 1869
Rank	Captain
Unit	63rd Regiment, Indiana Volunteer Infantry

Born in Noblesville, Indiana, Conner attended the Noblesville public schools and Wabash College, Crawfordsville, Indiana. He was admitted to the United States Naval Academy, Annapolis, Maryland, September 20, 1861, and remained during the academic year from 1861 to 1862. Commissioned a second lieutenant in the Sixty-third Regiment, Indiana Volunteer Infantry, on August 30, 1862, and a first lieutenant on September 3, 1862. Honorably discharged June 20, 1864. He was an unsuccessful candidate for the Indiana House of Representatives election in 1866. He was commissioned a captain in the Forty-first Regiment, United States Infantry, on July 28, 1866, and served in Texas until November 29, 1869, when he resigned, having received the nomination for Congress. Upon the readmission of Texas to representation was elected as a Democrat to the Forty-first Congress. He was re-elected to the Forty-second Congress and served from March 31, 1870, to March 3, 1873. As his health was declining, he was not a candidate for renomination in 1872. He died in Washington, D.C., December 10, 1873, and was interred in the Old Cemetery, Noblesville, Indiana.