Henry Shippen Huidekoper (July 17, 1839 – November 9, 1918) was a Union Army lieutenant colonel from Pennsylvania who received the United States military's highest decorations for bravery, the Medal of Honor, for his actions at the Battle of Gettysburg during the American Civil War.

He accepted a job as the postmaster of Philadelphia and worked for a few years in the telephone industry before becoming an overseer at Harvard College.

After graduating from Harvard, Huidekoper served in the American Civil War as captain, lieutenant-colonel, and colonel with the 150th Pennsylvania Infantry.

According to the citation, "while engaged in repelling an attack of the enemy, [he] received a severe wound of the right arm, but instead of retiring remained at the front in command of the regiment.

"[4] Huidekoper returned to service in September 1863 but because of the severity of his wounds, he was compelled to resign from the army in 1864 at Culpeper, Virginia.

[3] He died November 9, 1918, in a Philadelphia hospital[5] and was buried at Greendale Cemetery, Meadville, Pennsylvania.

Citation: While engaged in repelling an attack of the enemy, received a severe wound of the right arm, but instead of retiring remained at the front in command of the regiment.