Lucio Diestro San Pedro, Sr. (February 11, 1913 – March 31, 2002) was a Filipino composer and teacher who was proclaimed a National Artist of the Philippines for Music in 1991. Today, he is remembered for his contribution to the development of Filipino regional band music and for his well-known compositions such as the Filipino lullaby, "Sa Ugoy ng Duyan" and the symphonic poem, "Lahing Kayumanggi".