Menn is a surname. Notable people with the surname include:
Barthélemy Menn (1815–1893), Swiss painter and draughtsman Christian Menn (1927–2018), bridge designer from Switzerland Julius Menn (1929–2018), Holocaust survivor Lise Menn (born 1941), American linguist who specializes in psycholinguistics Stephen Menn (born 1964), teaches philosophy at McGill University Suibne Menn (died 628), an Irish king who is counted as a High King of Ireland
See also Le Menn (disambiguation) Men, the plural of man Raske Menn, trio of Norwegian comedians Vi Menn, Scandinavia and Norway's largest weekly lifestyle magazine for men