Eifion (UK Parliament constituency)

Eifion was a parliamentary constituency in Caernarfonshire, Wales.

It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.

Eifion covered the southern part of Caernarvonshire.

It included the Sessional Divisions of Eifionydd (or Portmadoc) and Pwllheli (excluding the boroughs of Caernarvon and Pwllheli and the parishes of Criccieth and Nevin) and part of the Sessional Division of Caernarvon (excluding the parishes of Llanberis and Llanddeiniolen).

The political parties had been making preparations for an election to take place and by July 1914, the following candidates had been selected;