Gusukuma Ueekata Seikyū (城間 親方 盛久, 10 April 1542 – 26 April 1612), also known by his Chinese style name Ō Kishō (翁 寄松), was a bureaucrat of the Ryukyu Kingdom. Gusukuma was also a famous calligrapher, he imitated the handwriting of (尊円法親王), a princely priest and calligrapher of Japan during Kamakura period very well, so he got the nick name Son'en Gusukuma (尊円城間).