Kalmyk (Хальмг, Romanization: "Halʹmg"), "Kalmuck," "Kalmuk," or "Kalmyki"' may refer to:
- Kalmyk people or Kalmyks (Хальмгуд), a group of western Mongolic people
- Kalmyk language (Хальмг келн), the language of the Kalmyk people
- Kalmyk (cattle), beef cattle breed originating with Kalmyk people
- Kalmykia (Хальмг Таңһч), or the Republic of Kalmykia, a federal subject of the Russian Federation