Johannes Lid (11 January 1886 – 29 September 1971) was a Norwegian botanist.
He was born in Voss, and he married the illustrator Dagny Tande Lid in 1936.
From 1948 onward he served as a curator at the Botanical Museum in Oslo.
After his retirement in 1956, he carried out in-depth studies of the flora of the Canary Islands.
He became a fellow of the Norwegian Academy of Science and Letters in 1945 and received the King's Medal of Merit in gold in 1956.