Bilthoven is a Village in the province of Utrecht, the Netherlands. It is part of the municipality De Bilt. In 2025, there were 23,218 people living in Bilthoven. The village has a train station with connections to Utrecht, Amersfoort and Baarn.
The Dutch National Institute for Public Health and the Environment (RIVM) is located in Bilthoven. The former Dutch queen Beatrix went to school at De Werkplaats in Bilthoven.