Clarence A. Barnes, Jr. (usually referred to as Clare Barnes, Jr. during his days as a popular author) (c. 1907-February 2, 1992) was an American author and advertising agency art director. He was best known for his series of books, starting in 1949 with White Collar Zoo, which featured animal photos with humorous captions. White Collar Zoo was the number 1 non-fiction bestseller of 1949 on the New York Times Best Seller list, and its followup Home Sweet Zoo was number 4.
Barnes was born in Boston and received an undergraduate degree from Yale University in 1929. He worked for a number of advertising agencies. He died in his Manhattan home on February 2, 1992 of emphysema at age 85. He also had a home in Edgartown, Massachusetts.
Barnes' father, Clarence A. Barnes, was a politician and the Attorney General of Massachusetts in the late 1940s.