Léon Johnson (29 February 1876 – 2 January 1943) was a French sport shooter who competed at the 1908 Summer Olympics, the 1912 Summer Olympics and at the 1920 Summer Olympics.
1908 London
In 1908 he was a member of the French team which won the bronze medal in the team free rifle competition.
In the 1908 Summer Olympics he also participated in the following events:
300 metre free rifle - eighth place
moving target small-bore rifle - tenth place
disappearing target small-bore rifle - 21st place
1912 Stockholm
Four years later he participated in the following events:
Team 50 metre small-bore rifle - fourth place
Team free rifle - fourth place
Team military rifle - fifth place
50 metre pistol - tenth place
25 metre small-bore rifle - 19th place
300 metre free rifle, three positions - 24th place
1920 Antwerp
In 1920 he won silver medals in the 300 metre military rifle, prone event and as member of the French team in the team 300 metre military rifle, prone competition.
In the 1920 Summer Olympics he also participated in the following events: