The Maritime Museum of Finland (Finnish: Suomen merimuseo, Swedish: Finlands sjöhistoriska museum) is a museum in Kotka, Finland.

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article needs additional citations for verification. (November 2023) You can help expand this article with text translated from the corresponding article in Finnish. (March 2022) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Finnish Wikipedia article at [[:fi:Suomen merimuseo]]; see its history for attribution. You may also add the template {{Translated|fi|Suomen merimuseo}} to the talk page. For more guidance, see Wikipedia:Translation.

Museum is located at Maritime Centre Vellamo and includes Icebreaker Tarmo and Lightship Kemi for visiting.^[1]

Museum artefact collection includes over 16,000 items, picture collection of 37,000 photographs, 150 shelf metres of documents, and 8,000 maps and drawings. Photographs are maintained by Finnish Heritage Agency.^[2] Collection was opened to public in 1981, but collecting for it began in early 1900s when consul Gösta Sundman and others donated various items. Museum was placed at Vellamo in Kotka after decision made by Ministry of Education and Culture in 2003.^[3]

• Kotka Maretarium