Lake Tansi Village (also known as Lake Tansi) is a resort community in Cumberland County, Tennessee, United States, recognized by the U.S. Census as a census-designated place (CDP).

As of the 2020 United States census, there were 4,629 people, 1,925 households, and 1,379 families residing in the CDP.

There were 1,735 housing units at an average density of 199.2 per square mile (76.9/km2).

21.2% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older.

The Thunderbird Recreation Center serves Lake Tansi Village with many different activities.