Wu Changshuo (Chinese: 吳昌碩; pinyin: Wú Chāngshuò, September 12, 1844 – November 29, 1927, also romanised as Wu Changshi, Chinese: 吳昌石; pinyin: Wú Chāngshí), born Wu Junqing (Chinese: 吳俊卿; pinyin: Wú Jùnqīng), was a Chinese calligrapher, painter, and seal artist of the late Qing Period.

In his twenties, Wu moved to Jiangsu Province and settled down in Suzhou.

Prior to the collapse of the Great Qing, he served as an imperial official in Liaoning.

Initially, he devoted himself to poetry and calligraphy with a strong interest in early scripts.

As a painter, he was noted for helping to rejuvenate the art of painting flowers and birds.