Katō Enao (加藤 枝直, 1693–1785) was a Japanese waka poet of the mid-Edo period. His real surname was Tachibana (橘), and his original given name was Tamenao (為直); he later changed it to Enao, which he also wrote as 要南甫. His nickname was Matazaemon (又左衛門), and he used various art names including Nanzan (南山), Tokoyoan (常世庵) and Hagizono (芳宜園).