According to one embodiment, there is provided a semiconductor manufacturing tool that is capable of further facilitating an electrochemical process. The semiconductor manufacturing tool according to the embodiment includes a plurality of process baths, an anode and a cathode, and an electrical circuit. Each of the plurality of process baths is capable of containing a substrate processing liquid and a first substrate. The anode and the cathode are provided for each of the process baths. The electrical circuit electrically connects a plurality of first substrates held in the substrate processing liquid via the anode and the cathode and supplies electrical power via the anode and the cathode for subjecting the plurality of first substrates to an electrochemical process.