Ziyang (disambiguation)
Ziyang (资阳市) is a city in Sichuan province, China.
Ziyang or Tzu-yang may also refer to:
- Ziyang County (紫阳县), in Ankang, Shaanxi, China
- Ziyang District (资阳区), in Yiyang, Hunan, China
- Zhao Ziyang (赵紫阳; 1919–2005), Chinese politician