Around the globe, Zennan (Zennan 
) is a common male forename. The first name Zennan is characteristic of Eastern Asia, particularly Japan, where it is quite a common boy's name.
Abe, Tanaka, Tamura, Fujita, Yamada, Shimizu, Tsunoda, Higuchi, Yoshida, Maruyama, Sakamoto, Sugawara, Nakamura, Nakajima, Hasegawa, Watanabe, Yamamoto, Yamazaki, Yamauchi, Matsumoto, Kobayashi, Takahashi, Kimura, Kubota, Kaneko, Suzuki, Ito, Ono, Oya, Mori, Sato, Seki, Aoki, Kato, Kudo, Goto, Hashimoto, Endo, Ueda, Maeda, Saito, Chiba, Inoue, Ijima, Okada, Ogawa, Owens, Sasaki, Wada, and Yamaguchi