CA30 or CA-30 may refer to:
California's 30th congressional district California State Route 30 CAC CA-30, an Australian variant of the Aermacchi MB-326 light military jet trainer Jiefang CA-30, a Chinese military truck based on the ZIL-157 , a United States Navy heavy cruiser Mikuriya Station (Shizuoka), a railway station in Iwata, Japan (station code: CA30)