Kumejima-tsumugi (久米島紬) is the Japanese craft of silk cloth practised in Kumejima, Okinawa Prefecture. Kumejima-tsumugi is the oldest type of tsumugi in Japan, out of the approximately two hundred forms of tsumugi,[1] and is the oldest kasuri fabric.[2] It is recognised as one of the Important Intangible Cultural Properties of Japan.