Evelyn Mandac (born August 16, 1945 in Malaybalay) is a soprano opera singer, orchestra soloist, recitalist and voice teacher from the Philippines. She is based in New York City. A native of the Philippines, Mandac is known both for the beauty of her voice and her dramatic prowess on stage. In 1966, she won the Metropolitan Opera National Council Auditions which marked the beginning of her illustrious career. She later earned critical acclaim for her many portrayals of opera heroines in major opera houses and festivals worldwide including, The Metropolitan Opera House, San Francisco Opera, Washington Opera Theater, Lyon opera, Salzburg Music Festival and the Glyndebourne Music Festival.