iemoto

thumb|Hansō Sōshitsu|Genshitsu Sen, 15th of the [[Urasenke school]] is a Japanese term used to refer to the founder or current Grand Master of a certain school of traditional Japanese art. It is used synonymously with the term when it refers to the family or house that the iemoto is head of and represents.

The word is also used to describe a system of familial generations in traditional Japanese arts such as tea ceremony (including ), , Noh, calligraphy, traditional Japanese dance, traditional Japanese music, the Japanese art of incense appreciation (), and Japanese martial arts. and Go once used the system as well. The system is characterized by a hierarchical structure and the supreme authority of the , who has inherited the secret traditions of the school from the previous .