Glenrock is a rural locality in the South Burnett Region, Queensland, Australia. In the , Glenrock had a population of 35 people.
The Woroon National Park is in the north-west of the locality. Apart from this protected area, the land use is predominantly grazing on native vegetation with some crop growing in the east of the locality.
Glenrock State School opened on 15 April 1926 and closed in December 1966. It was at 106 Glenrock Road (corner of Louttits Road, ).
Wooroon National Park was originally part of the Wooroon State Forest. In 1996, an area of was set aside to protect a semi-evergreen vine thicket, which was becoming increasingly rare. In 2006, it was gazetted as a national park.
In the , Glenrock had a population of 40 people.
In the , Glenrock had a population of 35 people.
There are no schools in Glenrock. The nearest government primary schools are Windera State School in neighbouring Windera to the north-east and Cloyna State School in neighbouring Cloyna to the south-east. The nearest government secondary schools are Proston State School (to Year 10) in Proston to the south-west and Murgon State High School (to Year 12) in Murgon to the south-east.