Aleksandr Nikolajev is a 23-year-old professional football player from EST. He currently plays for Nomme JK Kalju, wearing the number 22 shirt. At the international level, he represents Estonia U21. He plays primarily as a Defender. His preferred foot is Left. His current market value is estimated at 175K €.

His most recent move was a Free from Tallinna JK Legion to Nomme JK Kalju on 2024-01-06.

Throughout the Estonian Premium Liiga 2025, Aleksandr Nikolajev featured in 35 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.