Carl August Tamm (8 June 1840 – 30 January 1905), was a Swedish politician, landowner and rittmeister.

August Tamm was born at Stafby, Uppsala County.

[1] Tamm was a member of the Riksdag's First Chamber from 1900 to 1905.

Tamm married Baroness Emma Åkerhielm af Margretelund in 1872.

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