Greenlandic or Greenlandish may refer to:
- Something of, from, or related to Greenland, the self-governing Danish province (and largest island in the world) located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.
- Historically, anything relating to the medieval Norse communities in southwestern Greenland (see History of Greenland)
- A person from Greenland, or of Greenlandic descent. For information about the Greenlandic people, see Demographics of Greenland and Culture of Greenland. For specific persons, see List of Greenlanders.
- One of the following languages:
- Kalaallisut, the modern Greenlandic language, an Eskimo-Aleut language spoken by the Kalaallit of Greenland. See also Languages of Greenland.
- The extinct Greenlandic Norse language
- Occasionally, the Danish language as spoken in Greenland