Rothechtaid

Rothechtaid or Roitheachtaigh may refer to:


 * Rothechtaid mac Main, son of Maen, son of Óengus Olmucaid, according to medieval Irish legend and historical tradition, High King of Ireland
 * Rothechtaid Rotha, son of Róán, son of Failbe, son of Cas Cétchaingnech, son of Faildergdóit, apparently king of the eastern midland kingdom of the Gailenga and High King of Ireland