John Lees (ca 1740 – March 4, 1807) was a businessman, judge and political figure in Lower Canada.
With Alexander Dawson, he formed a company in 1773 that was involved in importing goods and supplying the British Army; they also speculated in land.
In 1792, Lees was elected to the Legislative Assembly of Lower Canada for Trois-Rivières; he was reelected in 1796, 1800 and 1804.
He was named storekeeper general for the Department of Indian Affairs at Lachine and a justice of the peace for the District of Quebec in 1795.
In 1806, Lees was appointed a judge in the provincial Court of Appeals.