As coach Mark Allan Gardner (born March 1, 1962) is an American former pitcher in Major League Baseball.

Gardner pitched in the Major Leagues from 1989 to 2001 for the Montreal Expos, Kansas City Royals, Florida Marlins, and the Giants.

He shared the 2001 Willie Mac Award with Benito Santiago, which recognized each of their spirit and leadership.

Lori Gardner struggled with liver cancer for several years during her husband's tenure with the Giants before dying from the disease in 2003.

The Gardner family remains active in the Donate Life America organization.