Jeongjong

Jeongjong may refer to:

Korean rulers:

• Jeongjong, 3rd Monarch of Goryeo (923–949)
• Jeongjong, 10th Monarch of Goryeo (1018–1046)
• Jeongjong of Joseon (1357–1419), a.k.a. Yi Bang-gwa, Yi Gyeong