Kangxi may refer to:

• Kangxi Emperor (1654-1722), an important ruler from the Chinese Qing Dynasty period
  • Kangxi Dictionary, authoritative compilation and cross reference of Chinese characters, first published during the emperor's reign and used to the present day
• Kangxi radicals, 214 modern Chinese radicals, as organized in the Kangxi dictionary
• Kangxi Dynasty, a Chinese drama TV series
• Kangxi lai le, a talk show in Taiwan
• Kangxi transitional porcelain