Langebaan is a town in the Western Cape province of South Africa on the eastern shore of Langebaan Lagoon.
Langebaan is situated 120 km north of Cape Town, just off the R27, about 28 km from Vredenburg and 20 km from Saldanha Bay. The Lagoon stretches for 17 km from Saldanha Bay, past Langebaan to Geelbek in the South. In places it is up to 4 km wide.