Charles Owen Waterhouse (19 June 1843 - 4 February 1917) was an English entomologist who specialised in Coleoptera.

Waterhouse was an Assistant Keeper at the British Museum (Natural History), London. He wrote the Buprestidae part of Frederick DuCane Godman and Osbert Salvin 's, Biologia Centrali-Americana (1889) and very many papers on the worldwide beetle collections of the museum, describing hundreds of new species.

He was President of the Royal Entomological Society (1907-1908).

References

• Champion, G. C. 1917 [Waterhouse, C. O.] Entomologist's Monthly Magazine (3) 53 67-68.
• Distant, W. L. 1917 [Waterhouse, C. O.] Entomologist 50 71-72.
• Evenhuis, N. L. 1997 Litteratura taxonomica dipterorum (1758-1930). Volume 1 (A-K); Volume 2 (L-Z). Leiden, Backhuys Publishers.
• Gahan, C. J. 1917 [Waterhouse, C. O.] Proc. Ent. Soc. London 1917 110-112.
• Musgrave, A. 1932 Bibliography of Australian Entomology 1775 - 1930. Sydney