John Preston Martin (October 11, 1811 - December 24, 1864) was a political figure in Kentucky in the early 19th century. He was born on October 11, 1811 near Jonesville, Lee County, Virginia. He moved to Prestonsburg, Floyd County, Kentucky in 1828. He served in the State House of Representatives from 1841 through 1843.
Martin served in the 29th United States Congress from 1845 through 1847. He was not a candidate for renomination. He served in the Kentucky State Senate from 1855 through 1859, and was a delegate to the Democratic National Convention in 1856. He died in Prestonburg on December 24, 1864. He is buried in May Cemetery.
The back of his headstone reads:
Prestonsburg lawyer from 1835 to 1862. US Congressman from 1845 to 1847. State Senator from 1855 to 1859. Known for his fine intellect, wide knowledge, and generous heart. Turned the tide against Knownothingism in the mountains. Delegate to Democratic Peace Convention in 1860. He nevertheless provided food and blankets to Confederate soldiers during rebellion period. Martin County formed in 1870. Was named in his honor.