Alexander Vasilyevich Berdnikov (; born April 8, 1953 in Gorno-Altaysk) is a Russian politician, current Chairman of the Government of the Altai Republic, and the head of the republic.
He took office on January 20, 2006. He was a candidate in the December 2001 election for that position, receiving 9.6% of the vote and coming in sixth place. In 2004, a new law stopped direct elections for Russian administrative division leaders. In December 2005, Berdnikov was nominated by Vladimir Putin and confirmed by the State Assembly of the Altai Republic, succeeding Mikhail Lapshin.