HNLMS K 3 (Dutch: Hr.Ms. K 3) may refer to one of three ships of the Royal Netherlands Navy named K 3 or K III:
- HNLMS K3 (1905), a K-class torpedo boat, later Willem Warmont
- HNLMS K III (1920), a K III-class patrol submarine
- HNLMS K3 (1941), K-class sloop, captured by the Germans and commissioned in to the Kriegsmarine. Repaired after the war and returned to Dutch service as frigate Van Speijk
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.