James Nelson Pidcock (February 8, 1836 – December 17, 1899) was an American Democratic Party politician who represented New Jersey's 4th congressional district in the United States House of Representatives for two terms from 1885 to 1889.

James Nelson Pidcock was born on February 8, 1836, in Whitehouse Station, Hunterdon County, New Jersey.

[2] From 1877 to 1880, he served as member of the New Jersey Senate from Hunterdon County.

[1] He served as president of the board of managers of the New Jersey State Hospital for the Insane from 1891 to 1896.

[1] Pidcock died on December 17, 1899, at his home in Whitehouse Station.