Liliana Madrigal (born March 23, 1957) is a conservationist who has worked toward the protection of rainforests and indigenous cultures in both Central America and South America. She is the co-founder and Senior Director of Program Operations of the Amazon Conservation Team (ACT), where she serves as chief liaison to in-country programs and communities. Her primary focuses are the indigenous peoples and forests of the northwest Amazon (including the Inga, Kamsa and Cofán peoples) and the Sierra Nevada de Santa Marta (the Kogi people).