Gongolgon is a rural locality in Brewarrina Shire, in northern New South Wales, Australia,  from Sydney. At the , it had a population of 40 in 11 families. The median weekly household income was $537.

Gongolgon is located on the Brewarrina–Coolabah road. It is located  from Byrock,  from Brewarrina,  from Coolabah and  from Bourke. Gongolgon's nearest airport is Brewarrina Airport,  away. Its nearest school is Brewarrina Christian School (3-8). 

The Yetta Dhinnakkal Centre, aka Brewarrina jail, is located in Gongolgon.

References

Localities in New South Wales