Seiki (given name)
Seiki is a masculine Japanese given name. Notable people with the name include:
- Seiki Ichihara, Japanese football and manager
- Seiki Kayamori, Japanese photographer
- Kuroda Seiki, pseudonym of Kuroda Kiyoteru, Japanese painter and teacher
- Seiki Nose, Japanese judoka
- Seiki Okuda, Japanese golfer
- Seiki Segawa, Japanese boxer
- Seiki Shimizu, Japanese writer
- Seiki Yoshioka, Japanese professional wrestler