West Hertfordshire was a parliamentary constituency in Hertfordshire. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom by the first past the post system. The constituency was abolished for the 1997 general election.

The constituency was created for the 1983 general election from the majority of the abolished seat of Hemel Hempstead. It was in turn abolished for the 1997 general election, with Tring being transferred to South West Hertfordshire and the remaining areas forming the re-established Hemel Hempstead constituency.

It was held by the Conservatives for the entire period of its existence.

The District of Dacorum wards of Adeyfield East, Adeyfield West, Aldbury and Wigginton, Ashridge, Bennetts End, Berkhamsted, Boxmoor, Central, Chaulden, Crabtree, Cupid Green, Flamstead and Markyate, Gadebridge, Grove Hill, Highfield, Leverstock Green, Nash Mills, South, Tring Central, Tring East, Tring West, and Warners End.^[2]

The main settlements in the constituency were Hemel Hempstead, Berkhamsted and Tring.

• Parliamentary constituencies in Hertfordshire