Marian H. Pettibone

Marilyn "Marian" H. Pettibone
Born	(1908-07-08)July 8, 1908 Spokane, Washington, United States
Died	December 18, 2003(2003-12-18) (aged 95)
Alma mater	Linfield College University of Oregon University of Washington
Scientific career
Fields	Invertebrate zoology (polychaete)
Institutions	Johns Hopkins University University of New Hampshire National Museum of Natural History

Marilyn "Marian" Hope Pettibone (1908–2003) was a curator at the Smithsonian's National Museum of Natural History invertebrate zoology department. She was known for her work on worms, specializing in polychaetes. She was the world authority on polynoidae during her career.