Walter C. Sweet (17 October 1927 in Denver, Colorado – 4 December 2015 in Tucson, Arizona) was an American paleontologist.
He was a Chief Panderer of the Pander Society, an informal organisation founded in 1967 for the promotion of the study of conodont palaeontology.
In 1984, he was president of the Paleontological Society, an international organisation devoted to the promotion of paleontology.
In 1979, he described the conodont genus Culumbodina.[1] In 1988, he described the conodont order Proconodontida and the conodont family Gnathodontidae.[2]