Langbroek is a town in the Dutch province of Utrecht. It is a part of the municipality of Wijk bij Duurstede, and lies about 11 km southeast of Zeist.
In January 2013, the town of Langbroek had 2071 inhabitants. The built-up area of the town was 0.25 km², and contained 451 residences.
Until it merged with Wijk bij Duurstede in 1996, Langbroek was a separate municipality.