Enigma is an unincorporated community in Smith County, in the U.S. state of Tennessee.
A post office was established at Enigma in 1882, and remained in operation until 1905. According to tradition, the community was named for a feud or "enigma" between locals over the use of a church.
36°13′50″N 85°47′38″W / 36.2306°N 85.7939°W