Lower Tenthill is a locality in the Lockyer Valley Region of South East Queensland, Australia. At the 2011 Australian Census the locality recorded a population of 333.
Agriculture has developed along Tenthill Creek which also forms part of both the western and eastern boundary of Lower Tenthill. Lower Tenthill Weir on Tenthill Creek, has a storage capacity of 70 ML and is used for the purpose of recharging groundwater supplies. The northern boundary follows Lockyer Creek. Two other creeks cross the area - Ma Ma Creek and Deep Creek.
Tent Hill Lower State School opened in 1873.