Jeongjong

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Jeongjong is the name of:

Jeongjong (Goryeo 945–949) (923–949), 3rd king of the Goryeo dynasty
Jeongjong (Goryeo 1034-1046) (1018-1046), 10th king of the Goryeo dynasty
Jeongjong (Joseon) (1357–1419), 2nd King of the Joseon Dynasty