Jane Marsh Parker (née , Marsh; pen name, Jenny Marsh Parker; June 16, 1836 – March 13, 1913) was an American author and historian in New York state. She was a frequent contributor to The Churchman and other publications of the Protestant Episcopal church. She was the author of novels and religious works, including Toiling and Hoping (New York, 1856); The Boy Missionary (1859); Losing the Way (1860); Under His Banner (1862); The Morgan Boys (1859); Rochester, a Story Historical (Rochester, 1884); The Midnight Cry (New York, 1886); Life of S. F. B. Morse (1887); and Papers Relating to the Genesee Country (1888), among other publications. A pioneer clubwoman, Parker founded the Fortnightly Ignorance Club of Rochester, New York, which was the first women's club in the state after Sorosis.