Constantin Marin (27 February 1925 – 1 January 2011)[1] was a Romanian award-winning musician, conductor, and composer.

[2] Marin was born in Urleta, Prahova County, Romania.

He was the founder in 1963 of the Madrigal Chamber Choir [ro] and had been its conductor and director ever since.

He was well-known all over the world for his expertise on Renaissance music, Baroque, Gregorian songs and Traditional Romanian music.

[3] In 1971 he was awarded the Order of the Star of the Romanian Socialist Republic, 3rd class.