This party is on the Great Britain register and is registered to stand candidates in England, Scotland, and Wales.
This party may appear on the ballot paper as "Social Democratic Party", or any of the following names:
- Social Democratic Party | Y Blaid Ddemocrataidd Gymdeithasol
These descriptions are no longer registered with the Electoral Commission and cannot be used:
- Social Democratic Party Scotland
- Social Democratic Party: Fighting For Brexit
These emblems are no longer registered with the Electoral Commission and cannot be used: