Gustaf Vilhelm Carlberg (5 April 1880 – 1 October 1970) was a Swedish Army officer and sports shooter.

His twin brother Eric competed alongside Gustaf at all those four Olympics.

[2] Vilhelm and Eric were the youngest of four children of a veterinarian, who died when they were 12 years old.

The twins became military officers in 1901 and retired with the rank of major.

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