Seiji is a common Japanese name that can be used for both males and females. It often means "pure" or "correct" in Japanese, depending on the kanji characters used. The name is popular in Japan and can be found in various forms of media, including anime and literature. In addition to being a name, Seiji can also refer to Seiji Ozawa, a renowned Japanese conductor known for his work with major orchestras around the world. His contributions to classical music have made him a prominent figure in the arts, showcasing the cultural significance of the name.