Seimei may refer to:
Seimei Shrine, a Shinto shrine dedicated to Abe no Seimei 5541 Seimei, an asteroid discovered in 1976 Seimei, a solar term in traditional East Asian calendars "Seimei/Still Alive" (声明/Still Alive), a single by Japanese rock band B'z Seimei (figure skating program), by Japanese figure skater Yuzuru Hanyu
People , a Japanese onmyōji from the Heian period , Japanese handball player
Fictional Characters , a character from the manga series Loveless