Ongar may refer to:
Essex, England Ongar, Essex, a civil parish Chipping Ongar, a town Ongar railway station, a former London Underground station Hundred of Ongar, an ancient administrative unit High Ongar, a village in Essex
Other uses Ongar, Dublin, Ireland, a suburb Ongar, Sindh, an archaeological site in Pakistan Ongar (Pakistan) railway station Ileana Ongar (born 1950), Italian Olympic hurdler
See also Onga (disambiguation)