Nikolayev

Nikolayev/Nikolaev (masculine) or Nikolayeva/Nikolaeva (feminine) may refer to:

• Nikolayev (surname) (includes Nikolayeva and Nikolaeva)
• Nikolayev/Nikolaev, Russian spellings of Mykolaiv (disambiguation), several places in Ukraine
• Nikolayev (crater), a Moon crater

See also

• Mykolaiv, a city in Ukraine also known as Nikolayev
• Nikolaevo, a town in Stara Zagora Province, Bulgaria
• Nikolayevka (disambiguation)
• Nikolayevsk (disambiguation)
• Nikolayevsky (disambiguation)