Teiko is the common Roman alphabet spelling of two different Japanese given names, one feminine and one masculine; they are spelled differently in Japanese.
The feminine name (ていこ) is spelled Teiko in systemic romanisation. It may be written with a variety of kanji including ; these same characters may also be read as a Korean feminine name, Jeong-ja. People with this name include: Teiko Nishi (born c. 1967), an American former women's basketball player Teiko Kihira (1928-2015), was a Japanese politician and activist Teiko Inahata (1931-2022), was a Japanese haiku poet, essayist and literary critic Teiko Tomita (1896-1990), was a Japanese tanka poet
The masculine name (ていこう, spelled Teikō in systemic romanisation, ending in a long vowel) may refer to: Teikō Shiotani (1899–1988), a photographer from Tottori, Japan