Lindley Garrison Beckworth Sr. (June 30, 1913 – March 9, 1984) was an American judge and politician who served as a United States representative from Texas and a judge of the United States Customs Court.

Born on June 30, 1913, on a farm in the South Bouie community of Mabank, Kaufman County, Texas, Beckworth attended the rural schools of his home county, then attended Abilene Christian College, East Texas State Teachers College, Commerce, Texas, Sam Houston State Teachers College (now Sam Houston State University), and Southern Methodist University in Dallas, Texas.

He was admitted to the bar in 1937 and commenced practice in Gilmer, Texas.

[1] Beckworth was nominated by President Lyndon B. Johnson on January 16, 1967, to a seat on the United States Customs Court vacated by Judge David John Wilson.

[2] After resigning from the federal bench, Beckworth briefly practiced law in Longview in 1969.