| Alexander Nikolayevich Ryazanov | |
| Birth Date: | 13 October 1953 |
| Birth Place: | Yuzhno-Kurilsk, Sakhalin Oblast, RSFSR, Soviet Union |
| Office: | Member of the State Duma |
| Term Start: | 19 December 1999 |
| Term End: | November 2001 |
| Constituency: | Nizhnevartovsk |
| Predecessor: | Vladimir Medvedev |
| Successor: | Vladimir Aseev |
Alexander Nikolayevich Ryazanov (Russian: Алекса́ндр Никола́евич Ряза́нов; born 13 October 1953 in Yuzhno-Kurilsk, Sakhalin Oblast, Russian SFSR, Soviet Union)[1] is a Russian businessman and politician.
In 1988-1998, he was the CEO of the Surgut Gas Processing Factory. From November 2001 to 16 November 2006, he was a First Deputy Chairman of the Board of Directors of Gazprom. He was the President of Sibneft (Gazprom Neft) from October 2005 to November 2006. Since July 2004, Ryazanov has been a member of the Coordination Committee of RosUkrEnergo.
In 2000–2001, Ryazanov was a deputy of the State Duma.