ATP phosphohydrolase may refer to:
ATP phosphohydrolase (steroid-exporting), a set index article, including: Steroid-transporting ATPase, an enzyme Xenobiotic-transporting ATPase, an enzyme Myosin ATPase, an enzyme Dynein ATPase, an enzyme Chaperonin ATPase, an enzyme Non-chaperonin molecular chaperone ATPase, an enzyme DNA helicase, an enzyme