What is "seimei"

Seimei may refer to:

• Abe no Seimei, a Japanese onmyōji from the Heian period
• 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, a character from the manga series Loveless.