26 September] 1849 in Irkutsk – 2 November 1933) was a Russian gold mine and factories owner and explorer of Siberia.

In 1880, he made an attempt to enter the Yenisei estuary through the Kara Sea on a schooner.

After the Russian revolution in 1917, Sibiryakov left Russia and spent the rest of his life in exile.

His funeral was paid for by Swedish government, as a sign of gratitude for Sibiryakov's friendly relations with Sweden.

The news reports at the time stated that only the consul of Sweden and two other members of the Swedish diplomatic mission in France attended Sibiryakov's funeral.