Ramón Iribarren, Spanish civil engineer (died 1967)

Ramón Iribarren Cavanilles Ing.D was a Spanish civil engineer and professor of ports at the School of Civil Engineering in Madrid. He was chairman of the Spanish delegation to the Permanent International Association of Navigation Congresses and was elected as an academic at the Spanish Royal Academy of Sciences, although he did not take up the latter position. He made notable contributions in the field of coastal engineering, including methods for the calculation of breakwater stability and research which led to the development of the Iribarren number.

April 15 is the 105th day of the year in the Gregorian calendar; 260 days remain until the end of the year.