Espen Harald Bjerke (born 12 April 1980) is a Norwegian cross-country skier who represents Lillehammer SK. He took part in his first junior World Championship in 1999 where he came 13th. He made his World Cup debut in 2001 with a 20th place. His best World Cup placing is (as of 2007) a fourth place in 2005. He had the record of highest VO2max (maximum amount of oxygen uptake) with 96.0 milliliter per kilogram per minute (7.3 liter/min, 76 kg body weight), set in 2005.