Eucalyptus goniocalyx, commonly known as long-leaved box, olive-barked box or bundy, is a species of small to medium-sized tree around 15 metres.

They are endemic to southeastern Australia.

With white flowers blooming between March and August.

Eucalyptus Goniocalyx grows in woodland, usually on hilly, rocky ridges and is widespread south of Mudgee in New South Wales and through central Victoria.