Mariano Nicasio [Mariano] Rodriguez de Ledesma (14/12/1779 - 28/03/1847), a Spanish composer (from Zaragoza) of mainly church music.

Mariano Rodriguez de Ledesma's original name was Mariano Nicasio Ledesma. Why he changed his name was unknown by contemporaries and he used sometimes both names. De Ledesma got his musical education in Zaragoza. Later he moved to Madrid. There he conducted the Spanish premiere of Mozart's Requiem in 1805/1806. De Ledesma studied human anatomy at the Madrid University because he was interested in physiology of the voice. He was a famous sing teacher.
During the Naopleon wars De Ledesma escaped to Sevilla and Cadiz. In Cadiz he got to know the poet Laiglesia y Darrack whose poems were source of many of De Ledesma songs. De Ledesma visited England two times where he worked as teacher of the daughter of the Prince of Wales. He returned to Spain in 1815 and in 1819 he composed the Oficio y Misa de difuntos to Queen Maria Isabel. This is the first great Spanish romantic Oratorium. Church music was the composer's main genre in which German Romanticism is cleary see.