Er Wang (Two Wangs or Two Kings) may refer to:
- Wang Xizhi and Wang Xianzhi (calligrapher), Jin dynasty father-and-son calligraphers
- Wang Zongfang and Wang Zongwei, Chinese serial killers
- Erwang Temple, in Dujiangyan City, Sichuan, China
Er Wang (Two Wangs or Two Kings) may refer to: