Hain Helde, (born March 21, 1972 in Kohila) is an Estonian sprint canoer who competed from the mid 1990s to the early 2000s (decade). He was eliminated in the semifinals of both the K-1 500 m and the K-1 1000 m events at the 1996 Summer Olympics in Atlanta. Four years later in Sydney, Helde was eliminated in the semifinals of the same events.