Tarjei Bø, Norwegian biathlete

Tarjei Bø (born 29 July 1988) is a Norwegian professional biathlete. Bø debuted in the Biathlon World Cup on 26 March 2009 in Khanty-Mansiysk, Russia. In the 2010 Winter Olympics he earned his first gold medal in the 4 × 7.5 km biathlon relay. On 10 December 2010 he won the sprint race in Hochfilzen, earning his first world cup victory. He also won the following pursuit race and anchored the winning relay team.

Bø is the older brother of biathlete Johannes Thingnes Bø.

He won the overall 2010/11 biathlon World Cup. He finished five points ahead of his teammate Emil Hegle Svendsen.