Cyrus is a surname. Notable people with the surname include:

Ron Cyrus (1935–2006), Kentucky politician, and his descendants: Second generation: Billy Ray Cyrus (born 1961), American musician and actor (son of Ron) Tish Cyrus (born 1967), American manager, producer and television personality (wife of Billy Ray) Third generation: Brandi Cyrus (born 1987), American actress and television personality (daughter of Billy Ray and Tish) Trace Cyrus (born 1989), American musician (son of Billy Ray and Tish) Miley Cyrus (born 1992), American singer, songwriter and actress (daughter of Billy Ray and Tish) Noah Cyrus (born 2000), American singer, songwriter and actress (daughter of Billy Ray and Tish) Darel Cyrus (born 1996), Grenadian cricketer David Cyrus (born 1989), Grenadian international footballer Gordon Cyrus, Swedish performer and record producer Nauheed Cyrusi, Indian film actress