District 31 of the Texas Senate is a senatorial district that currently serves Andrews, Bailey, Cochran, Crane, Dallam, Deaf Smith, Ector, Gaines, Glasscock, Hansford, Hartley, Hemphill, Howard, Hutchinson, Lipscomb, Martin, Midland, Moore, Ochiltree, Oldham, Parmer, Potter, Randall, Roberts, Sherman and Yoakum counties in the U.S. state of Texas. The current Senator from District 31 is Kel Seliger.