Cottontail may refer to:
Biology Cottontail rabbit Dice's cottontail, Sylvilagus dicei Omilteme cottontail, Sylvilagus insonus Desert cottontail, Sylvilagus audubonii Manzano mountain cottontail, Sylvilagus cognatus Mexican cottontail, Sylvilagus cunicularis Eastern cottontail, Sylvilagus floridanus Mountain cottontail, Sylvilagus nuttallii Appalachian cottontail or rarely Allegheny cottontail, Sylvilagus obscurus New England cottontail, Sylvilagus transitionalis
Other uses Cottontail (film), a 2022 film Cottontail Tower, a landform in Utah, USA Peter Cottontail, a character in the works of Thornton W. Burgess "Cotton Tail", a 1940 composition by Duke Ellington Cotton-tail, a character in Beatrix Potter's Peter Rabbit stories