Luis María de Ybarra y Oriol (20 November 1912 – 10 March 2001)[1] was a Spanish banker, businessman, and sports leader.

[1] With quite an age difference, compared to his siblings Fernando and Isabel, his childhood was peaceful and happy in the small residential area of Neguri, where his parents had moved at the end of the 19th century.

Shortly before the start of the Spanish Civil War, Ybarra completed his studies at the Commercial University of Deusto, and on 11 February 1936, he married Flora Zubiría y Calbetón.

[1] After the arrest and subsequent murder of his father and his older brother and two nephews on the Cabo Quilates prison ship, Ybarra had to hide for several months, without being able to meet his eldest daughter who had been born during this period.

[2] On 7 July 1937, Ybarra was appointed director of Hidroeléctrica Ibérica, replacing his deceased father, and in 1944, he achieved the merger with Saltos do Douro [es],[5] which resulted in the creation of Iberduero, one of the five most important companies in the sector worldwide.