Justin Ray Huisman (born April 16, 1979) is an American former Major League Baseball relief pitcher who played for the Kansas City Royals in 2004.

On April 8, 2004, Huisman was traded to the Kansas City Royals for Zach McClellan and minor leaguer Chris Fallon.

He split the season between Triple-A Omaha and the Royals, making his major league debut on April 25.

In his only major league season, Huisman posted a 6.84 ERA over 25 innings in 14 appearances on the mound for Kansas City.

On April 19, he signed a minor league contract with the Houston Astros and played 6 games with Triple-A Round Rock before being sent to the Seattle Mariners on May 12 as part of a conditional deal.