John Walker Baylor Jr. (c. 1813–1836) was a Texian pioneer and soldier.
He was born at Woodlawn, Kentucky, around December 1813. His father, John Walker Baylor Sr., a United States Army surgeon, was the son of Major Walker Baylor. His brothers George W., Henry W., and John R. Baylor were noted Texas rangers and soldiers.
According to his family, Baylor left the Alamo as a courier, probably on February 25, 1836. He died on September 3, 1836, in Cahaba, Alabama, of complications from wounds suffered at the Battle of San Jacinto.
