Cullerin (/kʌləˈrən/) is a small township in the Southern Tablelands of New South Wales, Australia.

[2] It is on the Old Hume Highway and Main South railway line in Upper Lachlan Shire.

[1] Cullerin is at the summit of a 15 km (9.3 mi) stretch of ruling grade of the Main Southern Rail line.

It lies a few kilometres west of the Great Dividing Range.

This Southern Tablelands geography article is a stub.