Cappoquin, also spelt Cappaquin or Capaquin (Irish: Ceapach Choinn, meaning 'tillage-plot of Conn'), is a town in west County Waterford, Ireland. It is on the Blackwater river at the junction of the N72 national secondary road and the R669 regional road. It is positioned on a sharp 90-degree bend in the river and lies at the foot of the Knockmealdown Mountains. The town is a few miles from Mount Melleray and Lismore, County Waterford.