Enni Ben'en (圓爾辯圓; 1202-1280) was a Japanese Buddhist monk who studied various forms of Mahayana under the Rinzai teacher Wuzhun Shifan in China. When he returned to Japan, he founded Tōfuku-ji monastery in Kyoto, and practiced zazen as well as other types of Buddhism. His disciples included Mujū.
It is believed that he was the first to bring udon noodles to Japan from China.