Eduard Hämäläinen, Finnish-Belarusian decathlete
Eduard Hämäläinen (born 21 January 1969 in Karaganda, Kazakh SSR, Soviet Union) is a retired decathlete from Finland and Belarus.

He originally competed for the Soviet Union and then Belarus after the Soviet dissolution, but changed nationality. His great-grandfather had moved from Finland to Russia before 1917 and was later deported to Kazakhstan. He was a frequent competitor in the European Athletics Championships, including the men's decathlon event in 1998. During his career he won three silver medals at World Championships.