Christoph Bieler (born 28 October 1977 in Hall in Tirol) is an Austrian former Nordic combined athlete. Competing in four Winter Olympics, he won two medals in the 4 x 5 km team event with a gold in 2006 and a bronze medal in 2002. Bieler's best individual Winter Olympic finish was tenth in the 10 km individual large hill event at Vancouver in 2010.
He also won two 4 x 5 km team medals at the FIS Nordic World Ski Championships with gold in 2003 and bronze in 2005, and had his best individual finish of sixth twice (10 km mass start: 2009, 15 km individual: 2003).