Ildy Modrovich is an American singer and television producer and writer of Croatian origin. Modrovich is best known for her work on CSI: Miami, and as the lead singer of rock band The Heavy Woolies.
Modrovich has written twenty-two episodes for CSI: Miami since its creation in 2002, and since 2006 has served as producer, co-producer and consulting producer at different times. She has written a single episode of Californication, and has served as supervising producer for a dozen others.