Reinmar is a German masculine given name. It comes from Germanic *ragin/regin ("resolution [of the gods]") and Old High German mari, ("famous").

Variant forms of the name include Ragnomar, Raginmar, Ragnimir, Raginmir, and Reginmar.

Notable people with the name include:

Reinmar von Brennenberg (13th century), German minnesinger Reinmar von Hagenau also the Elder (13th century), German minnesinger Reinmar von Zweter (13th century), German minnesinger Reinmar of Bielawa, fictional character by Andrzej Sapkowski

See also