Lower Paeania or Paiania Hypenerthen (Greek, Ancient (to 1453);: Παιανία ὑπένερθεν) was a deme of ancient Attica; it was located on the eastern side of Hymettus. One of two demoi named Paeania.
The site of Lower Paeania is located on the eastern outskirts of modern Liopesi.