West Cornwall was a county constituency in the House of Commons of the Parliament of the United Kingdom.

The parliamentary boroughs included in the West division, between 1832 and 1885, (whose non-resident 40 shilling freeholders were eligible to vote in the county constituency) were Helston, Penryn and Falmouth, St Ives and Truro.

Only once was a Conservative member returned, but he only represented the constituency for a few months before becoming the 2nd Earl of Falmouth.

Charles Lemon had been Whig Member of Parliament for Cornwall prior to the 1832 election.

George Williams, younger son of Michael, had withdrawn to avoid "disturbing the County".