Brett Ligon is an American politician who is a member of the Texas Senate, representing the 4th District. He succeeded Brandon Creighton after his predecessor was appointed as Chancellor of the Texas Tech University System in November 2025.

On May 2, 2026, Ligon won the special election for the Senate District 4 seat against Democrat Ron Angeletti, 75% to 25%.Serrano, Alejandro and Colleen DeGuzman. Republican Brett Ligon, former Montgomery County DA, wins special election for open Texas Senate seat, Texas Tribune, May 2, 2026. He assumed office on May 19, 2026.

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