| Portsmouth Langstone | |
| Type: | Borough |
| Parliament: | uk |
| Year: | 1950 |
| Abolished: | February 1974 |
| Elects Howmany: | one |
| Previous: | Portsmouth Central, Portsmouth South, Portsmouth North and Fareham |
| Next: | Havant and Waterloo and Portsmouth North |
Portsmouth Langstone was a borough constituency in Portsmouth. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system.
The constituency was created for the 1950 general election, and abolished for the February 1974 general election.
1950–1955: The County Borough of Portsmouth wards of Cosham and Meredith, and the Urban District of Havant and Waterloo.
1955–1974: The County Borough of Portsmouth wards of Cosham, Farlington, Meredith, and Paulsgrove, and the Urban District of Havant and Waterloo.
| Election | Member | Party | ||
|---|---|---|---|---|
| 1950 | Geoffrey Stevens | Conservative | ||
| 1964 | Ian Lloyd | Conservative | ||
| Feb 1974 | constituency abolished | |||