Tianzun (天尊), literally the Lord of Heaven may refer to:

• The three highest Gods in the Taoist pantheon
  • Yuanshi Tianzun or Yuánshǐ Tīanzūn, also known as the Jade Pure One
  • Lingbao Tianzun, also known as the Lord of Lingbao and Shangqing
  • Daode Tianzun or Tàiqīng, also known as Taishang Laojun and Daode Zhizun
• Wenshu Guangfa Tianzun, a character in the classic Chinese novel Investiture of the Gods

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