The World Constitutional Convention (WCC), also known as the World Constituent Assembly (WCA) or the First World Constituent Assembly, took place in Interlaken, Switzerland and Wolfach, Germany, 1968. The convention aimed to foster global cooperation and world peace through the development of a World constitution and establishment of a democratic federal world government.

Interlaken is a Swiss town and municipality in the Interlaken-Oberhasli administrative district in the canton of Bern. It is an important and well-known tourist destination in the Bernese Oberland region of the Swiss Alps, and the main transport gateway to the mountains and lakes of that region.