Mizar may refer to:
- Mizar (star)
- The Mizar system, for writing mathematical definitions and proofs
- The AVE Mizar, a flying car
- USNS Mizar, two ships in the United States Navy
- Mizar (band), a rock band from Macedonia
- Mizar (album), their 1988 debut album
- Mizar (mountain), mentioned in the Bible, specifically Psalm 42
- Mizar, the main antagonist in the Jet Force Gemini video game
- Mizar, character in the book The Sandman: Endless Nights