The invention relates to a locating device, in particular to a high-voltage coil lead locating device which comprises a base, wherein a locating ruler is arranged above the base, a first regulation locating block and a second regulation locating block are respectively sleeved on the locating ruler up and down through fastening nuts, the first regulation locating block is fixedly connected with a locating plate bracket, a fastening nut penetrates through a chute arranged on the locating plate to fix a locating plate on the locating plate bracket, a locating clamping groove is arranged at the lower part at the front end of the locating plate, the second regulation locating block is fixedly connected with a tapoff locating plate, three copper head locating holes are respectively arranged at the upper part and the lower part of the tapoff locating plate, an elongated slot arranged on the tapoff locating plate is communicated with the three copper head locating holes arranged at the lower part, and the locating plate is vertical to the tapoff locating plate arranged below the locating plate. The high-voltage coil lead locating device disclosed by the invention has the advantages of simple structure, convenience in operation, rapidness for assembly and disassembly, high efficiency, accuracy for lead location and ensured quality of a coil product.