Jay Canfield Howell (born November 26, 1955) is a former Major League Baseball relief pitcher for the Cincinnati Reds (1980), Chicago Cubs (1981), New York Yankees (1982-84), Oakland Athletics (1985-87), Los Angeles Dodgers (1988-92), Atlanta Braves (1993) and Texas Rangers (1994).

Howell was a member of the Los Angeles Dodgers when they won the 1988 World Series. In the third game of the National League Championship Series against the New York Mets, Howell was ejected for having pine tar, an illegal substance, in his glove, though he said the only reason he used it was to get a better grip on the ball. He was suspended for three days.

He was named to 2 American League All-Star Teams in 1985 and 1987 and the 1989 National League All-Star Team.

He currently ranks 56th on the Major League Baseball Career Saves List (155) and 67th on the Career Games Finished List (360).