Enlightenment or enlighten may refer to:

• Age of Enlightenment, period in Western intellectual history from the late 17th to late 18th century, centered in France but also encompassing (alphabetically by country or culture):
  • England: Midlands Enlightenment, period in 18th-century England
  • Greece: Modern Greek Enlightenment, an 18th-century national revival and educational movement in Greece
  • Italy: Italian Enlightenment, period in 18th-century Italy
  • Jewish: Haskalah, Jewish Enlightenment, movement among European Jews in the late 18th century
  • Poland: Enlightenment in Poland, ideas of the Age of Enlightenment in Poland
  • Russia: Russian Enlightenment, 18th-century period of active government encouragement of proliferation of arts and sciences in Russia
  • Scotland: Scottish Enlightenment, period in 18th-century Scotland
  • Spain: Enlightenment in Spain, came to Spain with a new dynasty, the Bourbons, subsequent reform and 'enlightened despotism'
  • USA: American Enlightenment, intellectual culture of the British North American colonies and the early United States
  • Arab Enlightenment or Nahda, late 19th to early 20th century.

• Enlightenment in Buddhism, translation of the term bodhi ("awakening"}
• Moksha
• Moksha (Jainism)
• Kevala jnana, awakened knowledge in Jainism
• Divine illumination

• Enlightenment (window manager), an X Window System window manager
• Enlighten (radiosity engine), code to do real-time calculation of indirect lighting ("radiosity") in video
• Enlightenment Foundation Libraries, a set of graphics libraries

• Enlighten Canberra, an annual arts and cultural festival in Canberra, Australia
• "Enlightenment", the main artistic performance in the 2012 Summer Paralympics opening ceremony

• Enlightenment (Doctor Who), a 1983 Doctor Who serial

• Enlightenment (Van Morrison album), 1990
• Enlightenment (McCoy Tyner album), 1973
• "Enlightenment" (Van Morrison song), 1990
• Enlightenment (soundtrack album), the soundtrack of the 2012 Summer Paralympics opening ceremony

• Ionian Enlightenment, the origin of ancient Greek advances in philosophy and science
• Dark Enlightenment, an anti-democratic and reactionary movement that broadly rejects egalitarianism and Whig historiography
• Enlightenment Intensive, a group retreat designed to enable a spiritual enlightenment
• Enlightenment Movement (Afghanistan), a Hazara grassroots civil disobedience group created in Afghanistan in 2016
• Project Enlightenment, an educational program

• Counter-Enlightenment, a term used by some 20th century commentators to describe contemporary reasoned opposition to the Age of Enlightenment
• All pages with titles beginning with Enlighten
• Enlightened (disambiguation)
• Illumination (disambiguation)