Chihara is a surname. Notable people with the surname include:
Charles Chihara (1932–2020), American philosopher Hideki Chihara (born 1957), Japanese composer Minori Chihara (born 1980), Japanese voice actress and J-pop singer Paul Chihara (born 1938), American composer Seiji Chihara (born 1963), Japanese rower Theodore Seio Chihara (1929–2026), American mathematician
See also Chihara polynomials (disambiguation)