Sir William David Wiggin is a British Conservative Party politician, and a former Shadow Minister for Agriculture & Fisheries. He has been the Member of Parliament (MP) for North Herefordshire, previously Leominster, since the 2001 general election.

Leominster was a parliamentary constituency represented until 1707 in the House of Commons of England, then until 1801 in that of Great Britain, and finally until 2010, when it disappeared in boundary changes, in the Parliament of the United Kingdom.