Leonard James Gardner (1927 – 3 August 1990) was an Australian rules football player and umpire.
Gardner made his debut for East Perth in 1942 and played 113 matches in two stints with the club between 1942 and 1951.
He was a member of East Perth's 1944 premiership-winning team.
[1][2] In 1952 he was nominated as a WANFL umpire and began officiating the same year.
[3] After a match between East Perth and Swan Districts in 1955, he was attacked by an angry mob of East Perth supporters unhappy with their team losing.