Odsey is a hamlet in Cambridgeshire close to the border with Hertfordshire near the town of Baldock. It contains a hotel and has a main line railway station (Ashwell and Morden) with direct train links to Cambridge and London. It is situated in the parish of Steeple Morden.
The original "Hundred of Odsey" was named after the village. The village was more important in the past than it is today, as an stop on the Icknield Way.