C. cookei

C. cookei may refer to:


 * Cibicidoides cookei, a foraminiferan in the family Anomalinidae
 * Collybia cookei, a species of fungus in the family Tricholomataceae, known from Europe, Asia, and North America
 * Conus cookei, an extinct species of cone snail
 * Crystallodytes cookei, the South Pacific sandburrower, a fish in the family Creediidae