Simpang Renggam is a town and municipality located in Kluang District in central Johor, Malaysia. The municipality covers an area of 1,002.47 square kilometers, with its town centre situated in Ulu Benut Mukim.
As a municipality in the Kluang District, Simpang Renggam serves as an administrative and residential hub within the region. The town's expansive municipal area reflects its role as a developing locality within Johor's central zone.