Otazu no kata (お田鶴の方, d. December 1568), Otatsu no kata or Iio Tazu, was a late-Sengoku period onna-musha. She was the wife of Iio Tsuratatsu and retainer of Imagawa clan. When the Imagawa fell into disarray after their defeat at Battle of Okehazama, she turned against them and became leader of the Iio clan after Tsuratatsu's death.