Dequan or DeQuan is a masculine given name that can either be of English-language or Chinese origin. The English-language given name means 'spring' or 'peaceful' and is often found among African Americans. Notable people with the given name include:
English-language
Chinese (德全)
- Chen Dequan (陈德全; born 1995), Chinese short track speed skater
- He Dequan (何德全; born 1933), Chinese engineer
- Li Dequan (李德全; 1896–1972), Chinese government minister
- Yu Dequan (于德泉; 1932–2022), Chinese pharmaceutical chemist and academician