CA-36 or CA36 may refer to:
California's 36th congressional district California State Route 36 Autovía CA-36, a highway in Spain , a World War II heavy cruiser Calcium-36 (Ca-36 or 36Ca), an isotope of calcium Caproni Ca.36, an Italian aircraft Maisaka Station, a railway station in Chūō-ku, Hamamatsu, Japan (station code: CA36)