Captain Adolfo Fernández Cavada (1832 – December 18, 1871) was an officer in the Union Army during the American Civil War who served in the Philadelphia 23rd Pennsylvania Infantry Regiment, a regiment of the Union Forces with his brother, Colonel Federico Fernández Cavada. He served with distinction in the Army of the Potomac in the Battles of Fredericksburg and Gettysburg and was a "special aide-de-camp" to General Andrew A. Humphreys. After the war Fernández Cavada, joined his brother in the Cuban insurrection against Spanish rule and succeeded him as Commander-in-Chief of the Cinco Villas.