| Athens B3 | |
| Type: | Electoral |
| Parl Name: | Hellenic Parliament |
| District Label: | Regional units |
| District: | South Athens |
| Region Label: | Administrative region |
| Region: | Attica |
| Population: | 601,559 (2011) |
| Towns: | Athens |
| Year: | 2018 |
| Elects Howmany: | 18 |
The B3 Athens electoral constituency (Greek, Modern (1453-);: Β3΄ Εκλογική περιφέρεια Νότιου Τομέα Αθηνών) is a parliamentary constituency of Greece, created after the breakup of Athens B in 2018.[1]