The Atlantic Coast leopard frog (Lithobates kauffeldi; synonym: Rana kauffeldi) is a species of amphibian that is endemic to the United States. As a member of the genus Rana sensu lato, it is classified as a true frog, with typical smooth skin and a narrow waist. Its range stretches along the northern part of Eastern Seaboard, from Connecticut to North Carolina. The species takes its common name from the speckles on its legs and back reminiscent of a leopard pattern.