Maritime museum

thumb|300px|right|[[National Museum, Szczecin|Maritime Museum in Szczecin, Poland]]

A maritime museum (sometimes nautical museum) is a museum specializing in the display of objects relating to ships and travel on large bodies of water. A subcategory of maritime museums are naval museums, which focus on navies and the military use of the sea.

The great prize of a maritime museum is a historic ship (or a replica) made accessible as a museum ship, but these are large and require a considerable budget to maintain, many museums preserve smaller or more fragile ships or partial ships within the museum buildings and most museums exhibit interesting pieces of ships (such as a figurehead or cannon), ship models, and miscellaneous small items like cutlery, uniforms, and so forth.

Ship modellers often have a close association with maritime museums; not only does the museum have items that help the modeller achieve better accuracy, but the museum provides a display space for models larger than will comfortably fit in a modeller's home; and of course the museum is happy to take a ship model as a donation. Museums will also commission models.

There are thousands of maritime museums in the world. Many belong to the International Congress of Maritime Museums (ICMM), which coordinates members' efforts to acquire, preserve, and display their material.