Joseph Paul Lonnett (February 7, 1927 – December 5, 2011) was an American professional baseball catcher, and coach, who played in Major League Baseball (MLB) for the Philadelphia Phillies. During his playing days, Lonnett stood 5 feet 10+1⁄2 inches (1.791 m) tall, weighing 185 pounds (84 kg). He threw and batted right-handed.