Henry Martyn Porter (April 25, 1835 – February 6, 1907) was an American Civil War Union Army Officer who served as a colonel and commander of the 7th Vermont Infantry.

[2] He enlisted in the U.S. Army in 1861 as a private in the New York National Guard.

[3] He later became a captain with the Vermont Infantry and achieved the rank of colonel.

[1][4] After his military career, he headed a department for the American Bank Note Company for over 22 years.

[1] He died at the age of 71, and is interred at West Cemetery in Middlebury, Vermont.