The term Sanseki (三跡) or "three [brush] traces" is used in Japanese to refer to a group of three famous Heian period calligraphers:
- Sanpitsu, a similar group of renowned calligraphers
- Japan. Monbushō (1893). History of the Empire of Japan. Dai Nippon Tosho Kabushiki Kwaisha, by order of the Department of Education. Printed at the Japan Mail Office, Yokohama. pp. 112–.