Henry Van Aernam (March 11, 1819 – June 1, 1894) was a United States representative from New York.

Born in Marcellus, Onondaga County, Van Aerman pursued an academic course, and studied medicine at the Geneva and Willoughby Medical Colleges and practiced his profession.

[1] During the United States Civil War Van Aernam enrolled in the Union Army as a surgeon in the One Hundred and Fifty-fourth Regiment, New York Volunteer Infantry, and served from September 26, 1862 to November 5, 1864.

Van Aernam died in Franklinville, New York on June 1, 1894 (age 75 years, 2 months, and 21 days).

On November 30, 1845, Van Aernam married Amy Melissa Etheridge, and they had two children: a daughter, Isadora, and a son, Charles Duane.