The Bishop of Derry and Raphoe is the Church of Ireland Ordinary of the united Diocese of Derry and Raphoe in the Province of Armagh.
The united diocese has two Episcopal sees, one at St Columb's Cathedral, Derry in Northern Ireland, and the other at the Cathedral Church of St. Eunan, Raphoe in the Republic of Ireland. The current bishop is the Ken Good, Bishop of Derry and Raphoe, who signs Ken Derry and Raphoe.
References
Bishop of Derry and Raphoe Wikipedia(Text) CC BY-SA