Gustaf Hjalmar Malmström (4 July 1884 – 24 December 1970) was a lightweight Greco-Roman wrestler from Sweden.

He competed at the 1908 and 1912 Summer Olympics and finished in fifth and second place, respectively.

[1] Earlier he won a silver medal at the 1911 World Championships and two gold medals at the 1907 and 1909 unofficial European championships.

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