Cortlandt Van Rensselaer (26 May 1808, in Albany, New York – 25 July 1860, in Burlington, New Jersey) was a Presbyterian clergyman from the United States.

He was a son of General Stephen Van Rensselaer and Cornelia Bell Paterson, his father's second wife.

Much of his large fortune was devoted to benevolent objects and to the religious enterprises of the Presbyterian church.

After his death, selections from his published writings appeared under the title of Miscellaneous Sermons, Essays, and Addresses, edited by his son, Cortlandt Van Rensselaer (Philadelphia, 1861).

Together Cortlandt and Catherine had: Van Rensselaer died on July 25, 1860, in Burlington, New Jersey.