The taxon authority Cook may refer to:

• Albert John Cook (1842-1916) - U.S. naturalist
• Carl Cook - U.S. entomologist
• David R. Cook (1922-) - U.S. acarologist
• Harold J. Cook (1887-1962) - U.S. paleontologist
• John H. Cook - U.S. entomologist
• Lorraine D. Cook - entomologist
• Lyn G. Cook - Australian entomologist and botanist
• Orator Fuller Cook (1867-1949) - U.S. botanist and entomologist
• Patricia L. Cook - bryozoologist
• Peter A. Cook - South African ichthyologist and carcinologist
• Stephen P. Cook - entomologist
• Steve de C. Cook - spongologist
• Thomas Wrentmore Cook - U.S. myrmecologist
• Todd D. Cook - palaeontologist