Reynold Henry Weidenaar (1915–1985) was an American composer and musician known for his contributions to classical and contemporary music. Primarily recognized for his work in the genre of classical music, Weidenaar's compositions often blended traditional forms with modern techniques, reflecting the evolving landscape of 20th-century music. Notable works by Weidenaar include his orchestral pieces and chamber music, with compositions such as "Concerto for Violin and Orchestra" and "Sonata for Clarinet and Piano" showcasing his ability to combine lyrical melodies with intricate harmonies. His music is characterized by its emotional depth and innovative use of rhythm and texture. Weidenaar's impact on music extends beyond his compositions; he was also a dedicated educator, teaching at various institutions and influencing a generation of young musicians. His commitment to fostering new talent and his contributions to music theory and pedagogy helped shape the understanding of contemporary classical music. Although not as widely known as some of his contemporaries, Weidenaar's work continues to be celebrated for its artistic merit and its role in the evolution of American classical music.