Charles Townsend Ludington (Charles T. Ludington, C. T. Ludington), (January 16, 1896 – January 19, 1968), was a businessman of Philadelphia. He was an aviation pioneer who helped establish an every-hour-on-the-hour air service between New York and Washington. His airline ultimately became Eastern Airlines. He designed airports, airplanes, and gliders. One of his designs became a Navy training airplane. Another of his designs was a crash protection device installed on Navy airplanes that saved pilot lives. Ludington also make a line of boats that were designed by a professional outboard boat racer.