Middleburg is an unincorporated community in northern Zane Township, Logan County, Ohio, United States.

It has a post office with the ZIP code 43336.

[2] It is located at the intersection of State Route 287 with County Road 153, near the headwaters of the Big Darby Creek and a short distance southwest of U.S. Route 33.

[3] Middleburg was platted in 1832.

This Logan County, Ohio state location article is a stub.