Tsuda Okei (? -1780) was a samurai and painter of the mid-Edo period. (-1780) Samurai warrior and painter of the mid-Edo period. His name was Norifumi, and his aliases were Oribe, Sewing-den, Hokkai, and Tsugeen. He was a samurai of the Nagoya domain in Bishu, and was called “Sumi no Tsuda” (“Tsuda of the corner”) because he lived at the corner of the southeast turret of San-no-maru.
He loved painting, and studied under Ch’ing Nan-fan, and excelled at flowers and plants, birds and animals, and landscapes based on the Yuan-Ming classical style. He was one of the pioneers of Ming and Qing painting in Owari.