Linlithgow is a constituency of the Scottish Parliament (Holyrood) covering part of the council area of West Lothian.

It is also one of nine constituencies in the Lothian electoral region, which elects seven additional members, in addition to the nine constituency MSPs, to produce a form of proportional representation for the region as a whole.

The other eight constituencies of the Lothian region are: Almond Valley, Edinburgh Central, Edinburgh Eastern, Edinburgh Northern and Leith, Edinburgh Pentlands, Edinburgh Southern, Edinburgh Western and Midlothian North and Musselburgh The region includes all of the City of Edinburgh council area, parts of the East Lothian council area, parts of the Midlothian council area and all of the West Lothian council area.

The West Lothian council area is represented by two constituencies in the Scottish Parliament, these are Almond Valley and Linlithgow.

[2] The electoral wards used in this seat are: As of 2019, Linlithgow's population (95,663) was the highest among the 70 Holyrood mainland constituencies, almost one-third greater than those at the bottom of the list, the lowest being Argyll and Bute which had barely 60,000 within its boundaries.