Markovian is an adjective that may describe:

• In probability theory and statistics, subjects named for Andrey Markov:
  • A Markov chain or Markov process, a stochastic model describing a sequence of possible events
  • The Markov property, the memoryless property of a stochastic process
• The Markovians, an extinct god-like species in Jack L. Chalker's Well World series of novels

• Markovian Parallax Denigrate, references a mysterious series of Usenet messages