HNLMS Luymes (A803) is a hydrographic survey vessel of the Royal Netherlands Navy.

[2] The Luymes has a sister ship, HNLMS Snellius.

The ship was built in the Netherlands from a Romanian-built hull.

The ships have different tasks: surveying the sea, operating as guard ship, representing the Netherlands at home and abroad, assisting maritime scientific surveys by the Ministry of Defence and assisting rescue operations.

In January 2025 Luymes was assigned as flagship of the Standing NATO Mine Countermeasures Group 1.