Daugvinas Zujus (born 16 October 1975 in Birštonas, Kaunas) is a retired male racewalker from Lithuania. He competed for his native Baltic country in the men's 50 km race walk event at three consecutive Summer Olympics, starting in 1996 (Atlanta, Georgia). Zujus set his personal best (3:55:10) in the same distance on 6 June 1998 in Ogre, Latvia.