I have been using Gandi for several years and been very happy with their service.
They offer domain registration in
From their site:
GANDI SARL is a french company created in 1999 by four persons known in the french Internet world (Pierre Beyssac, Laurent Chemla, Valentin Lacambre et David Nahmias).
Our service focuses primarily on individuals and non profit organisations. Gandi's aim is to provide to individuals domain names easily (for the technical and administratrive part) and for a price as low as possible.