Giessenlanden (population: 14,359 in 2004) is a municipality in the western Netherlands, in the province of South Holland. The municipality covers an area of 65.12 km² (of which 1.55 km² water).
The municipality of Giessenlanden consists the following towns, villages and townships: Arkel, Giessen-Oudekerk, Giessenburg, Hoogblokland, Hoornaar, Noordeloos, Schelluinen.