Bernard James Mussill (October 1, 1919 – January 27, 2013) was an American former Major League Baseball pitcher who played for the Philadelphia Phillies in 1944.

The rookie left-hander stood 6 ft 1 in (1.85 m) and weighed 200 lb (91 kg).

Born in Bower Hill, Pennsylvania, Mussill was one of many ballplayers who only appeared in the major leagues during World War II.

He made his major league debut on April 20, 1944, in a home game against the Brooklyn Dodgers at Shibe Park.

[1] His season and career totals included sixteen games pitched, all in relief, a 0–1 record[2] with eight games finished, thirteen earned runs allowed in 191⁄3 innings, and an ERA of 6.05.