Céline S. Cousteau (born June 6, 1972) is a socio-environmental advocate and public figure.

She is known for her work as a documentary film director, producer, explorer, artist, public speaker, brand ambassador and designer, and is a frequent panelist at the United Nations in New York. She is the Founder/Director of CauseCentric Productions and Co-founder/ Chairman of the Board of the Outdoor Film Fellowship. She is the daughter of ocean explorer and filmmaker Jean-Michel Cousteau, and granddaughter of Jacques Cousteau.