"Daremo Shiranai" (誰も知らない, "Nobody Knows") is a Japanese-language song and the 44th single released by Japanese boyband Arashi. "Daremo Shiranai" was used as the theme song for the drama Shinigami-kun starring Arashi member Satoshi Ohno. It was the 12th best-selling single of the year in Japan, with 525,055 copies.