Nada Inada, Japanese psychiatrist and author (d. 2013)
Nada Inada (なだ いなだ, 8 June 1929 – 6 June 2013) was the pen-name of a Japanese psychiatrist, writer and literary critic active in late Shōwa period and early Heisei period Japan. His pen name is from the Spanish language phrase "nada y nada".