Alexander Nikolayev (1918 – 2009) was a Russian World War II hero
Aleksandr Nikolayev may also refer to:
Aleksandr Andreyevich Nikolayev (1905–1949), Soviet naval officer Aleksandr Nikolayev (canoeist) (born 1990), Russian canoeist Aleksandr Nikolayev (footballer) (born 1993), Russian/Ukrainian football player Aleksandr Nikolayev (painter) (1897–1957), Soviet painter of Russian origin, who lived and worked in Uzbek SSR Aleksandr Nikolayev (pianist) (1903–1980), Russian pianist and musicologist Russian landing ship Aleksandr Nikolayev, an Ivan Rogov-class landing ship of the Soviet, later Russian, Navy