Liangguang

thumb|right|The provinces of Guangdong and Guangxi, 1936.

Liangguang (; Postal romanization: Liangkwang) is a Chinese term for the province of Guangdong and the former province and present autonomous region of Guangxi, collectively. It particularly refers to the viceroyalty of Liangguang under the Qing dynasty, when the territory was considered to include Hainan and the colonies of British Hong Kong, the French Kouang-Tchéou-Wan and Portuguese Macau. The Viceroyalty of Liangguang existed from 1735 to 1911.