Manuel Gutiérrez de la Concha e Irigoyen, Marquis of the Duero, was a 19th-century Spanish military man and Liberal-Moderate politician, noted for opposing the Carlist rebellions. He was born in Córdoba del Tucumán, Viceroyalty of the Río de la Plata, on 3 April 1808, and died at Monte Muro, Navarre, on 27 June 1874.

Captain General has been the highest rank in the Spanish Army since the 18th century. A five-star rank with NATO code OF-10, it is equivalent to a field marshal of the armies of numerous countries, a general of the Army of the United States, a captain general of the Spanish Navy (Armada Española) or a Captain general of the Air Force in the Spanish Air and Space Force (Ejército del Aire y del Espacio). A Captain General's insignia consists of two command sticks under five four-pointed stars below the Royal Crown.