The lieutenant governor of Texas is the second-highest executive office in the government of Texas, a state in the U.S. It is the second most powerful post in Texas government because its occupant controls the work of the Texas Senate and controls the budgeting process as a leader of the Legislative Budget Board.

The Texas Senate is the upper house of the Texas Legislature, with the Texas House of Representatives being the lower house. Together, they compose the state legislature of the state of Texas.