In 2007, Hambüchen competed at the 2006 European Artistic Gymnastics Championships where he won the silver medal in the all-around won the horizontal bar individual event title, the latter for the second time.
The 2007 World Artistic Gymnastics Championships was held in Stuttgart and the German team won the bronze medal in front of the home crowd, with Hambüchen contributing on 4 events. Individually, Hambüchen won the silver medal in the all-around individual event behind reigning world champion Yang Wei. He then won the gold medal in the horizontal bar individual event final, becoming world champion on that event. In the vault individual event final, he placed 5th.
In 2007, he was named the German Sportspersonality of the Year.