West Air

West Air or Westair may refer to:


 * West Air (China), a Chinese low-cost airline
 * West Air (United States), an American airline
 * West Air Luxembourg, a cargo airline
 * West Air Sweden, a cargo airline
 * WestAir Commuter Airlines, an American regional airline based in Fresno, California
 * Westair Aviation, a Namibian aviation service provider
 * Westair Benin, an airline based in Cotonou, Benin
 * Westair de Mexico, a defunct Mexican cargo airline
 * Westair (France), a defunct airline of France