Nicolai \n(i)-co-lai\ as a boy's name is a variant of Nicholas (Greek), and the meaning of Nicolai is "people of victory".
The baby name Nicolai sounds like Nikolai, Nicoli, Nicolay, Nicolao, Nicola and Nicholai. Other similar baby names are Nicolas, Nikolay, Nikolas, Nicolo, Nicolls, Nicoll, Nicolis, Nicolet, Nicolaus, Nicolaas, Nicol, Nickolas and Nicklas.