Ole Einar Bjørndalen nació el 27 de enero de 1974 en Noruega. Está casado con Darya Domracheva desde el 17 de julio de 2016. Tienen un niño. Ha estado casado con Nathalie Santer.
[On his watch collection] I have over thirty of them. But my contract with Certina is great for me... I now have a watch with my own autograph. You know, I wanted a sponsor whose product I could identify with. Other watch makers gave me offers, but I did not like them, and I can't pretend. I wanted to associate myself with someone full of conviction. Somehow, it matters.