Holger Aagaard Hammerich (20 November 1845 – 4 October 1915) was a Danish engineer and politician for the party Højre. He played a significant role in the foundation of the Freeport of Copenhagen in the 1890s as well as in the planning of rail lines and stations in Copenhagen. He was a member of the Danish Parliament from 1890 until his death in 1915 and represented his party in the negotiations leading up to the amendment of the Danish Constitution in 1915.