John Parsons Cook (August 31, 1817 – April 17, 1872) was an American lawyer and politician affiliated with the Whig Party who represented Iowa's 2nd congressional district in the United States House of Representatives from 1853 to 1855.

After studying law, he was admitted to the bar in 1842 and commenced practice in Tipton, then in Iowa Territory.

In 1850, he was an unsuccessful candidate for election to represent the Second District in the Thirty-second Congress, losing to Democrat Lincoln Clark.

[3] He continued the practice of law and also engaged in banking in Davenport until his death there on April 17, 1872.

This article incorporates public domain material from the Biographical Directory of the United States Congress