- Afrikaans: Nikolaas
- Albanian: Nikolla
- Amharic: ኒኮላስ (Nikolas)
- Arabic: نيكولاس (Nikolas)
- Armenian: Նիկոլայ (Nikolyay)
- Azerbaijani: Nikolay
- Basque: Nikola
- Belarusian: Мікалай (Mikalay)
- Bengali: নিকোলাস (Nikolas)
- Bosnian: Nikola
- Bulgarian: Николай (Nikolay)
- Catalan: Nicolau
- Cebuano: Nicolas
- Chichewa: Nikolas
- Chinese (Simplified): 尼古拉斯 (Ní gǔ lā sī)
- Chinese (Traditional): 尼古拉斯 (Ní gǔ lā sī)
- Corsican: Nicola
- Croatian: Nikola
- Czech: Mikuláš
- Danish: Nikolaj
- Dutch: Nicolaas
- Esperanto: Nikolao
- Estonian: Nikolai
- Filipino: Nicolas
- Finnish: Nikolai
- French: Nicolas
- Frisian: Nikolas
- Galician: Nicolás
- Georgian: ნიკოლოზი (Nikolozi)
- German: Nikolaus
- Greek: Νικόλαος (Nikólaos)
- Gujarati: નિકોલસ (Nikolas)
- Haitian Creole: Nikolas
- Hausa: Nikolas
- Hawaiian: Nikolas
- Hebrew: ניקולס (Nikolas)
- Hindi: निकोलस (Nikolas)
- Hmong: Nicholas
- Hungarian: Miklós
- Icelandic: Nikolaj
- Igbo: Nikolas
- Indonesian: Nikolaus
- Irish: Nioclás
- Italian: Nicola
- Japanese: ニコラス (Nikolas)
- Javanese: Nikolas
- Kannada: ನಿಕೋಲಸ್ (Nikolas)
- Kazakh: Николай (Nikolay)
- Khmer: និខូលាស (Nikolas)
- Kinyarwanda: Nikolas
- Korean: 니콜라스 (Nikollaseu)
- Kurdish (Kurmanji): Nikolas
- Kyrgyz: Николай (Nikolay)
- Lao: ນິໂຄລາດ (Nikolas)
- Latin: Nicolaus
- Latvian: Niklāvs
- Lithuanian: Nikolas
- Luxembourgish: Nicolas
- Macedonian: Никола (Nikola)
- Malagasy: Nikolas
- Malay: Nikolaus
- Malayalam: നിക്കോലാസ് (Nikolas)
- Maltese: Nikola
- Maori: Nikora
- Marathi: निकोलस (Nikolas)
- Mongolian: Николас (Nikolas)
- Myanmar (Burmese): နီကိုလာစ် (Nikolas)
- Nepali: निकोलस (Nikolas)
- Norwegian: Nikolai
- Odia: ନିକୋଲସ (Nikolas)
- Pashto: نکولس (Nikolas)
- Persian: نیکولاس (Nikolas)
- Polish: Mikołaj
- Portuguese: Nicolau
- Punjabi: ਨਿਕੋਲਸ (Nikolas)
- Romanian: Nicolae
- Russian: Николай (Nikolay)
- Samoan: Nikolas
- Scots Gaelic: Nioclàs
- Serbian: Никола (Nikola)
- Sesotho: Nikolas
- Shona: Nikolas
- Sindhi: نيڪولس (Nikolas)
- Sinhala: නිකොලස් (Nikolas)
- Slovak: Mikuláš
- Slovenian: Nikolaj
- Somali: Nikolas
- Spanish: Nicolás
- Sundanese: Nikolas
- Swahili: Nikolas
- Swedish: Nikolaus
- Tajik: Николас (Nikolas)
- Tamil: நிக்கோலாஸ் (Nikolas)
- Telugu: నికోలస్ (Nikolas)
- Thai: นิโคลาส (Nikolas)
- Turkish: Nikola
- Ukrainian: Микола (Mykola)
- Urdu: نکولس (Nikolas)
- Uzbek: Nikolay
- Vietnamese: Nicholas