Misha (Миша) is a diminutive of the Russian name Mikhail (Михаил). A hypocoristic of Michael, its English-language equivalent would be Mike and Mick.

Michael is a usually masculine given name derived from the Hebrew phrase מי כאל‎ mī kāʼēl, 'Who [is] like-El', in Aramaic: ܡܝܟܐܝܠ The theophoric name is ...

Russian and Belarusian form of Michael, and an alternate transcription of Bulgarian Михаил (see Mihail). This was the name of two Russian tsars.