List of the butterfly species of Trinidad and Tobago, an island nation located in the Caribbean region off the northeast coast of South America. The combined efforts of generations of resident and visiting naturalists have helped to make the butterfly fauna of Tobago well known. Some 129 species have been recorded on the island of Tobago that has a land area of only 300 km2 (116 mi2) and is approximately 42 km long and 10 km wide.