Jiang Dongxu (Chinese: 姜东旭; pinyin: Jiāng Dōngxù; born March 3, 1993) is a Chinese curler from Harbin. He represented China at the 2022 Winter Olympics as the alternate on the Chinese men's team skipped by Ma Xiuyue. He also won a silver medal at the 2018 Pacific-Asia Curling Championships.