Paul Ernest Richter Jr. was an American aviation pioneer, co-founder of Standard Air Lines and executive vice president of Trans World Airlines (TWA), operations chief of staff of the Naval Air Transport Service during World War II and chairman of the board, president of TACA Airlines from 1947 to 1949.

Trans World Airlines (TWA) was a major airline in the United States that operated from 1930 until it was acquired by American Airlines in 2001. It was formed as Transcontinental & Western Air to operate a route from New York City to Los Angeles via St. Louis, Kansas City, and other stops, with Ford Trimotors. With American, United, and Eastern, it was one of the "Big Four" domestic airlines in the United States formed by the Spoils Conference of 1930.