Midori Kono Thiel (born June 7, 1933 in Berkeley, California) is a Japanese American calligrapher based in Seattle. She grew up on Maui. She received her bachelor of arts and master of fine arts from the University of California, Berkeley. She has exhibited at the De Young Museum, San Francisco; Tokyo Metropolitan Art Museum; Seattle Art Museum; Portland Art Museum; Henry Art Gallery, Seattle; Cheney Cowles Art Museum, Spokane; and the Wing Luke Museum of the Asian Pacific American Experience, Seattle.