Johannes Siir (11 May 1889 – 18 January 1941) was an Estonian military colonel and sport shooter.
[1] He was born in Kolga Rural Municipality, Harju County.
[1] He won bronze medal at 1931 ISSF World Shooting Championships; being the first Estonian sport shooter to get a medal at world shooting championships.
1931 he was a member of Estonian national sport shooting team.
[1] This biographical article relating to sport shooting in Estonia is a stub.