Jellinbah is a rural locality in the Central Highlands Region, Queensland, Australia. In the , Jellinbah had a population of 49 people. Jellinbah coal mine is in the locality.
The Mackenzie River forms the western boundary of the locality, while Parker Creek and its tributary Return Creek form the north-eastern boundary.
The Fitzroy Developmental Road enters the locality from the south-east (Dingo), forms the south-eastern boundary of the locality and a section of the north-eastern boundary, before exiting to the north (Bingegang).
There are coal mines in the south and south-west of the locality. Apart from the mines, the predominant land use is grazing on native vegetation with some crop growing in the centre of the locality.
In the , Jellinbah had a population of 35 people.
In the , Jellinbah had a population of 49 people.
There are no schools in Jellinbah. The nearest government primary schools are Blackwater State School in neighbouring Blackwater to the south-west, Bluff State School in neighbouring Bluff to the south, and Dingo State School in neighbouring Dingo to the south-east. However, some parts of Jellinbah would be too distant from these primary schools for a daily commute. The nearest government secondary school is Blackwater State High School, also in Blackwater, but most parts of Jellinbah would be too distant for a daily commute. The alternatives are distance education and boarding school.