The B2 Electoral District of the West Sector of Athens (Greek: Β2ʹ Εκλογική Περιφέρεια Δυτικού Τομέα Αθηνών) is a parliamentary constituency of Greece, created after the breakup of Athens B in 2018.

The first MPs of the newly formed constituency were elected on 7 July 2019.

The constituency includes most of the western suburbs of the Athens metropolitan area, namely: