John Henry Johnson (born August 21, 1956) is a former Major League Baseball player.

He made his major league debut after being traded along with Gary Thomasson, Gary Alexander, Dave Heaverlo, Phil Huffman, Alan Wirth and $300,000 from the Giants to the Oakland Athletics for Vida Blue on March 15, 1978.

[1] Mario Guerrero was sent to the Athletics on April 7 to complete the transaction.

He then pitched for the Boston Red Sox before ending his career with the Milwaukee Brewers.

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