Geirionydd Rural District
Geirionydd was a rural district in the administrative county of Caernarvonshire, North Wales from 1894 to 1934.
The rural district was formed from the part of Llanrwst Rural Sanitary District in Caernarvonshire. It was named after Llyn Geirionydd.
The district contained the following civil parishes:
The rural district was abolished by a County Review Order in 1934, becoming part of Nant Conway Rural District.
