Niesobia, is a Polish coat of arms.

This coat of arms has its origins in Moravia, in what is today Czech Republic, along with the 45 noble families that bore this coat of arms.

The earliest written document mentioning the Niesobia coat of arms dates back to 1424.

Some of the families bearing this coat of arms later became incorporated into the Russian nobility.

A shield crossed in red and gold, on which is a silver arrow with a black eagle's tail at the end; in the crest are three ostrich feathers on top of the helmet.