马尔托斯（西班牙语：Martos），是西班牙安达卢西亚自治区哈恩省的一个市镇。总面积261平方公里，总人口22356人（2001年），人口密度86人/平方公里。

The city of Martos is located in the province of Jaén in the autonomous community of Andalusia in south-central Spain.

It has a population of 24063 inhabitants, making Martos the fifth largest municipality in the province. The city is located on a western peak of the Sierra Jabalcuz mountain range. It belongs to the metropolitan Area of Jaén, of which it is considered to be the second most important city after the capital.