Paeonia or Paionia may refer to:
Paeonia, the genus which comprises all peony plants Paeonia (kingdom), an ancient state occupying roughly the same area as the present-day Republic of North Macedonia Paionia (municipality), in the Central Macedonia region of Greece Paeonia, alternate name of Paeonidae, a deme of ancient Attica 1061 Paeonia, an asteroid
See also Pionia (disambiguation)