Clarence Chatham Cook (September 8, 1828 – June 2, 1900) was a 19th-century American author and art critic. Born in Dorchester, Massachusetts, Cook graduated from Harvard in 1849 and worked as a teacher. Between 1863 and 1869, Cook wrote a series of articles about American art for The New York Tribune. In 1869, he moved to France and was the Parisian correspondent for The New York Tribune until the onset of the Franco-Prussian War. Cook was known for his expertise in archeology and antiquities and was instrumental in the criticism of the collection of General di Cesnola.