The 1886 Flintshire by-election was a parliamentary by-election held for the House of Commons constituency of Flintshire in Wales on 2 March 1886.
The by-election was caused by the resignation of the sitting Liberal MP, Richard Grosvenor who was appointed a Steward of the Chiltern Hundreds and then to the House of Lords.
[1] Two candidates nominated.
The Liberal Party nominated businessman Samuel Smith.
[2] The Conservative Party nominated Justice of the Peace Philip Pennant Pennant.