Aleksandar Nikolov may refer to:
Alexander Nikolov (boxer) (born 1940), Bulgarian boxer Alexander Nikolov (poet) (born 1997), Bulgarian poet Aleksandar Nikolov (cyclist) (1912–?), Bulgarian cyclist Aleksandar Nikolov (swimmer) (born 1992), Bulgarian swimmer Aleksandar Nikolov (computer scientist), Canadian theoretical computer scientist Aleksandar Nikolov (volleyball) (born 2003), Bulgarian volleyball player