Seiko (given name)
Seiko is a Japanese given name, almost exclusively feminine. Its meaning depends on the kanji used to write it. Kanji and meaning. The "ko" in Seiko is generally written with a kanji meaning "child" (), and in that case is exclusively feminine; the kanji for "Sei" varies, for example: Rarely, the "ko" may be written with a kanji meaning "lake" (). Written this way, the name may be either masculine or feminine. People. People with this name include: Fictional characters with this name include: