Sujin may be:

Places Nellikkunnam, Kottarakkara Kollam Kerala, India

People Emperor Sujin of Japan, traditionally said to have reigned in the 1st century B.C. Soo-jin, Korean given name Sujin (สุจินต์), Thai unisex given name Sujin Boriharnwanaket (born 1927), Thai female Buddhist writer Sujin Naknayom (born 1979), Thai male footballer

Other An old name for the Nivaclé language of South America