The name Aleksandr is a Russian form of Alexander.
Famous bearers
Bearers include Aleksandr Pushkin (1799 - 1837), a Russian poet and author, who is considered to be the greatest Russian poet and the founder of modern Russian literature;
Aleksandr Kuprin (1870 - 1938), a Russian writer;
Aleksandr Solzhenitsyn (born 1918), a Russian novelist and historian.
This is also the name of several Russian tsars which ruled in the 19th century.