Hopkins Lacy Turney (October 3, 1797 – August 1, 1857) was a Democratic U.S. Representative and United States Senator from Tennessee.

Turney was born in the Smith County settlement of Dixon Springs, Tennessee.

Subsequent to this he studied law, and passed the bar examination and began a practice in Jasper, Tennessee.

[2] He was then elected to the U.S. House, serving three terms in that body from 1837 to 1843, the 25th through 27th Congresses.

Subsequent to this he was elected by the Tennessee General Assembly to the U.S. Senate, returning to Washington, D.C., after a two-year hiatus and serving one six-year term in that body, where he was chairman of the U.S. Senate Committee on Retrenchment for four years and the U.S. Senate Committee on Patents and the Patent Office for two before returning to his law practice, which he engaged in until shortly before his death.