List of Famous people with last name Haro

Pedro Fernández de Velasco, 2nd Count of Haro was a Spanish nobleman and military figure of the last stages of the Reconquista.

Diego López V de Haro, nicknamed el Intruso, was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile.

María Díaz II de Haro was a Spanish noble of the House of Haro. She was the daughter of Juan de Castilla y Haro and his wife, Isabel of Portugal and was Lady of Biscay from 1334 until her death in 1348.

Urraca López de Haro, daughter of Count Lope Díaz de Haro, Lord of Biscay and his wife countess Aldonza, founders of the monastery of Cañas was Queen consort of León (1185/1187–1188) following her marriage to King Ferdinand II (1137–1188). She founded the Monastery of Santa María la Real in Vileña where she retired and received burial.

Juan de Castilla y Haro, most commonly known as Juan el Tuerto, was a Spanish noble of the House of Haro and of the royal line of the Kingdom of Castile descended from Alfonso X of Castile. He was the Lord of Cuéllar from 1319 to 1325 and the Lord of Biscay from 1322 until his assassination by order of King Alfonso XI of Castile in 1326.

Lope Díaz I de Haro was the fourth Lord of Biscay. He was an important magnate in Castile during the reign of the Emperor Alfonso VII and in the kingdom of his son and grandson. Between 1147 and 1168 he is recorded as governing Old Castile on behalf of the crown.

María Díaz I de Haro "the Good" was a Spanish noblewoman of the House of Haro. She was the daughter of Lope Díaz III de Haro who was assassinated by order of the king at Alfaro, La Rioja. She is best known for being the Lady of Biscay and for her lifelong battle against her uncle, Diego López V de Haro, for the title of the lordship of Biscay.

Diego López IV de Haro was a Spanish noble and the Lord of Biscay from 1288 to his death in 1289.

Lope Díaz de Haro was a Spanish noble of the House of Haro, the traditional Lords of Biscay. He was the firstborn son of Diego Lopez V de Haro, Lord of Biscay. Whilst he did not inherit his father's title of Lordship over Biscay, he is best known for being the lord of Orduña-Urduña and of Balmaseda. He further served as Alférez to King Ferdinand IV of Castile.