Surname Rikyu (Rikyu 
) , in the entire world, is a rare last name. The last name Rikyu is characteristic of Japan, where it is a rare surname, and Myanmar, where it is a very rare surname. Much more frequently, Rikyu is the forename as well as the last name.
Abe, Nakata, Furuta, Fujita, Oshima, Yamada, Uchida, Shimizu, Hayashi, Yoshida, Miyazaki, Takeuchi, Nakamura, Nakajima, Hasegawa, Fujiwara, Ishikawa, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Tanaka, Kojima, Kaneko, Suzuki, Ito, Ota, Mori, Sato, Arai, Aoki, Kato, Goto, Imai, Ueda, Takahashi, Maeda, Sakai, Kawai, Kondo, Inoue, Ikeda, Ijima, Okada, Matsuo, Matsui, Sasaki, Saito, and Yamaguchi