Look up 39 in Wiktionary, the free dictionary.

39 may refer to:

• 39 (number), the natural number following 38 and preceding 40
• one of the years:
  • 39 BC
  • AD 39
  • 1939
  • 2039
• 39 (album), a 2000 studio album by Mikuni Shimokawa
• "'39", a 1975 song by Queen
• "Thirty Nine", a song by Karma to Burn from the album Almost Heathen, 2001
• Thirty-Nine, a 2022 South Korean television series
• 39 Laetitia, a main-belt asteroid