The Ghee Hin Kongsi (simplified Chinese:义兴公司; traditional Chinese:義興公司; pinyin:yìxīng gōngsī) is a secret society in Singapore and Malaya, formed in 1820. Ghee Hin literally means "the rise of righteousness" in Chinese. The Ghee Hin often fought against the Hakka-dominated Hai San secret society.