Abstract: A prosthetic leg and a prosthetic leg connector are provided, which are capable of enhancing the strength of a plate spring while reducing the weight thereof, as well as adjusting an attachment position of a socket with respect to the plate spring. The prosthetic leg comprises a connector and a plate spring. The plate spring includes a grounding portion coming into contact with the ground, a connecting portion connected to the connector, and a curved portion curving between the grounding portion and the connecting portion. The curved portion curves in only one direction, the grounding portion is formed at one end of the curved portion, and the connecting portion is formed at another end of the curved portion, and includes a connecting surface formed on an inside of a curve of the curved portion. The connector includes an attachment surface that is connected to the socket.