Clyde F. E. Roper (born 1937) is a zoologist at the National Museum of Natural History in Washington, D.C.. He has organised a number of expeditions to New Zealand to study giant squid, including in 1997 and 1999. He graduated from Transylvania University in Lexington, Kentucky, in 1959.
Roper has two adult children and five grandchildren.
- In Search of Giant Squid - An Expedition into the Depths of the Last Frontier Archived 2013-03-21 at the Wayback Machine. Smithsonian Institution.
- Roper, I., G.C. Feldman, C.F.E. Roper, B. Brennan, D. Tracey, S. O'Shea & M.V. deGruy (18 February–27 March 1999). In Search of Giant Squid: New Zealand - 1999: Expedition Journals Archived 2007-02-05 at the Wayback Machine. Smithsonian Natural History web home page. (edited entries)
- Ellis, R. (1 November 2005). "35 Who Made a Difference: Clyde Roper" Archived 2012-12-27 at the Wayback Machine. Smithsonian magazine.
- Anonymous (29 April 2013). Clyde Roper’s Quest For The Giant Squid. Bernews.
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