Nicolai (given name)Nicolai is a given name.Nicolay (disambiguation)Nikolay (disambiguation)NikolajNikolai (disambiguation)NiccolaiNickolai StoilovNicola (name)Nicolae (name)NicolajNicolaoNicolas (given name)NicolauNicolau (surname)Source: Wikipedia — Nicolai (given name) (CC BY-SA 4.0)