Port of Hamina-Kotka (Finnish Hamina-Kotkan satama) is a major seaport in Kotka and Hamina in Kymenlaakso, Finland, on the northern shore of Gulf of Finland.

It serves containers, liquid and dry bulk, gas, RoRo cargo and project shipments and is important for Finnish export industries and transit traffic to Russia.

[4] The main export goods in addition to liquid and dry bulk are paper and pulp.

[5] The Port of Hamina-Kotka is operated by HaminaKotka Satama Oy, a limited liability company founded in 2011 owned by the towns of Kotka (60%) and Hamina (40%).

It consists of six ports: There are frequent connections to ports of Gothenburg, Tallinn, Lübeck, Hamburg, Bremen, Amsterdam, Rotterdam, Tilbury, Hull, St. Petersburg and Antwerp.