James Alexander Henshall (February 29, 1836 – April 4, 1925) was an author on fishing.

[2] His book Bass, Pike, Perch and other Game Fishes of America (1903) is part of the American Sportsman's Library.

He was born on February 29, 1836, in Baltimore, Maryland, to James Gershom Henshall and Clarissa Holt.

He married Hester Stansbury Ferguson, a botanical collector and notable artist of plants,[3] on June 9, 1854.

Henshall moved to Oconomowoc Wisconsin, in the 1860’s and was elected to become the first mayor in 1868 and served in the Town Council for two years.