Nikolaj makna jeneng paling apik: Cekung, Mlebu, Loropaken, Serius, Ngerteni. Njaluk Nikolaj tegesé jeneng.
Nikolaj asal saka jeneng pisanan. Danish and Slovene form of Nicholas. Njaluk Nikolaj asal saka jeneng pisanan.
Nikolaj jenenge diminutives: Niels, Nik, Niko, Nils. Njaluk Jeneng samaran kanggo Nikolaj.
Jeneng-jeneng sing sinonim kanggo Nikolaj ing negara lan basa sing beda-beda: Cai, Caj, Claes, Claus, Col, Colin, Collin, Kai, Kaj, Kay, Klaas, Klaes, Klaos, Klas, Klaus, Kolos, Kolya, Launo, Miklós, Mikołaj, Mikoláš, Miksa, Mikula, Mikuláš, Mykola, Neacel, Neculai, Nic, Niccolò, Nichol, Nicholas, Niĉjo, Nick, Nickolas, Nickolaus, Nicky, Nico, Nicol, Nicola, Nicolás, Nicolaas, Nicolae, Nicolao, Nicolaos, Nicolas, Nicolau, Nicolaus, Nicolò, Nicu, Nicușor, Niek, Nigul, Niilo, Nik, Nika, Nikica, Niklas, Niklaus, Niko, Nikola, Nikolaas, Nikolai, Nikolajs, Nikolao, Nikolaos, Nikolas, Nikolaus, Nikolay, Nikolche, Nikoloz, Nikora, Nikša, Nikusha, Nils, Nioclás. Njaluk Nikolaj ing basa liya.
Jeneng sing umum nganggo jeneng pungkasan Krietsch: Chris, Sarai, Roxanne, Antwan, Damien. Njaluk Jeneng sing nganggo Krietsch.