Desimir () is a Serbian masculine given name, derived from desiti meaning "to happen", and the common mir meaning "peace". It may refer to:
Desimir Žižović, Yugoslav comics artist, Mirko and Slavko Desimir Gajić, coach for Sonja Stolić Desimir Stanojević, Serbian actor, Srećni ljudi
See also Desimirovac Desa (monarch) Desislav Dejan