Yeovil is a constituency[n 1] in Somerset created in 1918 and represented in the House of Commons of the Parliament of the United Kingdom.

2010–2024: The District of South Somerset wards of Blackdown, Brympton, Chard Avishayes, Chard Combe, Chard Crimchard, Chard Holyrood, Chard Jocelyn, Coker, Crewkerne, Egwood, Hamdon, Ilminster, Ivelchester, Neroche, Parrett, St Michael's, South Petherton, Tatworth and Forton, Windwhistle, Yeovil Central, Yeovil East, Yeovil South, Yeovil West, Yeovil Without.Further to the 2023 Periodic Review of Westminster constituencies which came into effect for the 2024 general election, the constituency was defined as being composed of the following as they existed on 1 December 2020: With effect from 1 April 2023, the District of South Somerset was abolished and absorbed into the new unitary authority of Somerset.

[5] At the 2015 election, the seat returned to its former Conservative allegiance as Marcus Fysh defeated Laws by over 5,000 votes.

[7] There was a swing of 7.7% away from the pro-Remain Liberal Democrats towards the pro-Leave Conservatives, which made the seat much safer in 2017, Marcus Fysh's majority increasing to just under 15,000.

In the 2024 General Election, the seat returned to the Liberal Democrats, with Adam Dance defeating the existing Conservative MP, Marcus Fysh, by over 12,000 votes.