Robert Lee Nichols (born November 25, 1944) is an American politician who represents the 3rd District of the Texas Senate.

Nichols graduated in 1968 from Lamar University in Beaumont, Texas, with a degree in industrial engineering.

[1] During his tenure as mayor, Nichols streamlined the city government and helped to cut property tax rates.

According to his voting records, Nichols is the least conservative Republican member of the state Senate.

In the general election of November 6, 2018, Nichols defeated the Democrat, Shirley Layton, and the Libertarian Party nominee, Bruce Quarels.