The Tennessee Senate is the upper house of the U.S. state of Tennessee's state legislature, which is known formally as the Tennessee General Assembly.

The Tennessee General Assembly (TNGA) is the state legislature of the U.S. state of Tennessee. It is a part-time bicameral legislature consisting of a Senate and a House of Representatives. The Speaker of the Senate carries the additional title and office of Lieutenant Governor of Tennessee. In addition to passing a budget for state government plus other legislation, the General Assembly appoints three state officers specified by the state constitution. It is also the initiating body in any process to amend the state's constitution.