Samppa Lajunen (born April 23 1979 in Turku, Finland) is a retired nordic combined athlete who competed during the late 1990's and early 2000's.
A winner of five Winter Olympic Games medals, his career highlight came at the 2002 Winter Olympics in Salt Lake City when Lajunen took won all three gold medals in the nordic combined events. He also won silver medals at the 1998 Winter Olympics in Nagano in both the 15 km individual and 4 x 5 km team events.
Lajunen also found success at the FIS Nordic World Ski Championships, winning eight medals. This included one gold (4 x 5 km team: 1999), four silvers (15 km individual: 1999, 2001; 4 x 5 km team: 1997, 7.5 km sprint: 2001); and three bronzes (15 km individual: 2003, 4 x 5 km team: 2001, 2003)