Grabben Gullen is a small village in Upper Lachlan Shire, New South Wales, Australia. At the 2016 census, it had a population of 253. It is located between Crookwell and Gunning, situated at an elevation of 898 metres above sea level; several snowfalls occur during the winter months. The town is regularly visited by fossickers, seeking sapphires, garnets, zircons and gold.