John Allen Patterson (born February 11, 1967) is an American former Major League Baseball second baseman who played from 1992 to 1995 for the San Francisco Giants.

Prior to professional baseball, he attended Grand Canyon University and Central Arizona College.

After missing the 1989 season, Patterson collected 160 hits in 530 at-bats for a .302 batting average with the San Jose Giants in 1990.

Patterson had missed most of the season with a torn rotator cuff, and had only 68 at-bats in Single A San Jose.

His home run gave the Giants the win and a 4.5 game lead over the Braves in the National League West.