Jianyuan may refer to:

• Remonstrance Bureau, a government agency during the Song and Jurchen Jin dynasties

Historical eras

• Jianyuan (140BC–135BC), era name used by Emperor Wu of Han
• Jianyuan (315–316), era name used by Liu Cong (Han-Zhao), emperor of Former Zhao
• Jianyuan (343–344), era name used by Emperor Kang of Jin
• Jianyuan (365–385), era name used by Fu Jian (337–385), emperor of Former Qin
• Jianyuan (479–482), era name used by Emperor Gao of Southern Qi

This disambiguation page lists articles associated with the title Jianyuan.
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