UK parliamentary constituencies
8 constituencies starting with O, with their current MP.
| Constituency | MP | Party |
|---|---|---|
| Old Bexley and Sidcup | Mr Louie French | Conservative |
| Oldham East and Saddleworth | Debbie Abrahams | Labour |
| Oldham West, Chadderton and Royton | Jim McMahon | Labour (Co-op) |
| Orkney and Shetland | Mr Alistair Carmichael | Liberal Democrat |
| Orpington | Gareth Bacon | Conservative |
| Ossett and Denby Dale | Jade Botterill | Labour |
| Oxford East | Anneliese Dodds | Labour (Co-op) |
| Oxford West and Abingdon | Layla Moran | Liberal Democrat |