In Greek mythology, Aba was a nymph of the town of Ergiske in Kikonia, Thrace. By Poseidon, she was the mother of the town's eponymous founder, Ergiskos.

She is presumed to be a daughter of the river Hebros.

References

cs:Aba (mytologie) de:Aba (Nymphe) el: ( ) es:Aba (mitolog a) eo:Aba (mitologio) lt:Aba (mitologija) pt:Aba (ninfa) sv:Aba (nymf)