Tikhonov

Tikhonov (Russian: Ти́хонов; masculine), sometimes spelled as Tychonoff, or Tikhonova (Ти́хонова; feminine) is a Russian surname that is derived from the male given name Tikhon, the Russian form of the Greek name Τύχων (Latin form: Tycho), and literally means Tikhon's. It may refer to:

• Alexander Tikhonov (born 1947), Russian biathlete
• Alexei Tikhonov, Russian figure skater
• Andrey Tikhonov (footballer), Russian football player and coach
• Andrey Nikolayevich Tikhonov, Russian mathematician
• Ivan Tikhonov, Russian-born Azerbaijani gymnast
• Konstantin Tikhonov, Soviet army officer and Hero of the Soviet Union
• Mikhail Tikhonov, Soviet soldier and Hero of the Soviet Union
• Nikita Tikhonov, suspect in Stanislav Markelov murder case
• Nikolai Tikhonov, former Premier of the Soviet Union
• Nikolai Tikhonov (cosmonaut), Russian cosmonaut
• Nikolai Tikhonov (writer), Russian writer
• Vasily Tikhonov (pilot), Soviet pilot and Hero of the Soviet Union
• Vasily Tikhonov (rower), Soviet rower
• Vasily Tikhonov (ice hockey), Russian ice hockey coach
• Vasily Ivanovich Tikhonov, Russian soldier and Hero of the Soviet Union
• Viktor Tikhonov (politician), Ukrainian politician
• Viktor Pavlovich Tikhonov, Soviet pilot and Hero of the Soviet Union
• Viktor Tikhonov (born 1930), Russian ice hockey player and coach
• Viktor Tikhonov (born 1988), Russian ice hockey player, Viktor Tikhonov's namesake and grandson
• Vladimir Tikhonov, Russian politician
• Vladimir Tikhonov (gymnast), Soviet Olympic gymnast
• Vyacheslav Tikhonov (1928–2009), Soviet actor
• Anastasia Tikhonova, Russian tennis player
• Katerina Tikhonova, Russian scientist and manager
• Nina Tikhonova (1910–1995), Russian choreographic artist and dance instructor
• Sofia Tikhonova, Russian ski jumper
• Tamara Tikhonova, former Soviet Russian cross-country skier

Mathematics

• Tikhonov distribution, a random variable distribution
• Tikhonov regularization, a method of regularization of ill-posed problems
• Tychonoff spaces, a completely regular topological spaces
• Tychonoff's theorem, a result on topological spaces
• Tychonoff separation axioms, in topology

Other uses

• Tikhonov (rural locality), a khutor in the Republic of Adygea, Russia