Jeffery Ray Cornell (born February 10, 1957) is a retired Major League Baseball pitcher.

He played during the 1984 season at the major league level for the San Francisco Giants.

After the end of his playing career, Cornell became a scout for the Toronto Blue Jays, Milwaukee Brewers, and in 2008 for the Tampa Bay Rays, his current position.

Cornell has three kids Erin, Megan, and Jayce.

This biographical article relating to an American baseball pitcher born in the 1950s is a stub.