Sebastian Haseney (born August 27, 1978, in Suhl) is a former German nordic combined skier who has competed since 1999.

Haseney finished 6th in the 15 km individual event at the 2002 Winter Olympics in Salt Lake City.

His two individual career victories were in two 7.5 km sprint events at Lake Placid, New York, in 1999 and at Val di Fiemme in 2008.

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