Ariel Ramírez (4 September 1921 – 18 February 2010) was an Argentine composer, pianist and music director. He was considered "a chief exponent of Argentine folk music" and noted for his "iconic" musical compositions.
Ramírez is known primarily for his Misa Criolla (1964). It allowed him to travel around Europe and Latin America to build his reputation. He had more than 300 compositions during his career and sold millions of albums. By the time he died in 2010, his work was globally renowned. Plácido Domingo, José Carreras and Mercedes Sosa are some of the artists to have recorded his work. He was also associated with Miguel Brascó and Félix Luna.