Count Lars von Engeström (24 December 1751 – 19 August 1826) was a Swedish statesman and diplomat.
He served as the first Prime Minister for Foreign Affairs from 1809 to 1824, and as the Chancellor of Lund University from 1810 to 1824.
1782-87 envoy in Vienna,
1788-92 envoy in Warsaw,
1793-95 envoy in London,
1795 ambassador in Vienna.
He was elected a member of the Royal Swedish Academy of Sciences in 1810.