Thomes Thomesen (1816–1887) was a Norwegian merchant and politician.
He was a merchant, ship-owner and shipbuilder in the town of Kragerø. He was elected to the Norwegian Parliament from the city in 1862, and served one term.[1]
He was the brother of jurist and politician Ole Thomesen.[2] He was married to Marthine Olea Debes (1825–1876). Through his daughter Fernanda Nissen he was a father-in-law of Lars Holst from 1882; they divorced after Thomes Thomesen's death.[3] Through another daughter, painter Sophie Marie Stoltenberg Thomesen, he was the father-in-law of Erik Werenskiold and grandfather of Werner Werenskiold and Dagfin Werenskiold.[4]