Fedlimid Rechtmar (Feidhlimidh Reachtmhar), son of Tuathal Teachtmhar, was a legendary High King of Ireland of the 2nd century. He took the throne by overthrowing Mal, who had killed his father. He instituted a law similar to the Roman lex talionis, that is, an eye for an eye. and died in his sleep after ruling for nine years.