Antonio Jacobsen (also known as Antonio Nicolo Gasparo Jacobsen) was a Danish born American marine painter. Jacobsen was born in Copenhagen, Denmark, where for generations his family had been violin makers. His father encouraged him to practice a similar craft and at an early age he enrolled at the Royal Academy of Design in Copenhagen.

Critics of Jacobsen's style cite a lack of variety in his work, although, one can see not just broadsides of ships at sea, but some examples of perspective as well. In addition harbor backgrounds, a shipwreck scene, steamships with auxiliary sails and hulls of different colors can be found. Jacobsen seemed to have known that he would never be a good artist without ships to use as models - and the port of New York would never lack for models.

Jacobsen died in Newark, New Jersey in 1921.