Johannes Scotus or Skotus, John Scotus, or John the Scot may refer to:

• Johannes Scotus Eriugena, Irish theologian, philosopher, and poet (c. 815–877)
• Johannes Scotus, Bishop of Mecklenburg (c. 990 - 1066)
• John Scotus (Bishop of Dunkeld), Bishop of St Andrews and Dunkeld (d. 1203)
• Duns Scotus, philosopher and theologian (c. 1266 – 1308)

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