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Birger Elmér
Elmér, 1960s
Born	Carl Gustaf Birger Elmér August 8, 1919 Jönköping, Sweden
Died	November 8, 1999(1999-11-08) (aged 80) Jönköping, Sweden
Occupation	Intelligence Officer
Political party	Social Democratic[1]

Carl Gustaf Birger Elmér (August 8, 1919 - November 8, 1999) was a Swedish military and intelligence officer. Until 1975 he was the head of the Swedish Armed Forces' secret intelligence agency, known as IB.