Mehmetli is a town (belde) in the Sumbas District, Osmaniye Province, Turkey.

Distance to Osmaniye, the province center, is 65 kilometres (40 mi).

The name of the town refers to personal name Mehmet which is very common in the settlement.

The settlement was founded in 1835 as a small village of several families.

This article about a Mediterranean Region of Turkey location is a stub.