Nicolaevca may refer to several places in Moldova:

Nicolaevca, a commune in Florești District Nicolaevca, a village in Zolotievca Commune, Anenii Noi district Nicolaevca, a village in Găvănoasa Commune, Cahul district Nicolaevca, a village in Scumpia Commune, Făleşti district Nicolaevca, a village in Cuhureştii de Sus Commune, Florești District Nicolaevca, a village in Danu Commune, Glodeni district Nicolaevca, a village in Hănăsenii Noi Commune, Leova district Nicolaevca, a village in Chişcăreni Commune, Sîngerei district