Seiki (written: , , , , , or ) is a masculine Japanese given name. Notable people with the name include:
*, Japanese football and manager
*
Seiki Kayamori
Seiki Kayamori (9 June 1877 – 9 December 1941) was a Japanese photographer who lived in Yakutat, Alaska, before World War II. His photographs captured the village's residents, mostly Tlingit Indians, at a time when the fish canning industry an ...
(1877–1941), Japanese photographer
*, pseudonym of Kuroda Kiyoteru, Japanese painter and teacher
*, Japanese judoka
*, Japanese golfer
*, Japanese boxer
*, Japanese writer
*, Japanese professional wrestler
{{given name
Japanese masculine given names