Hjalmar Hjorth Boyesen (September 23, 1848 – October 4, 1895) was a Norwegian-American author and college professor.

[1][2] Hjalmar Hjorth Boyesen was born at the Norwegian naval base Fredriksvern, near the village of Stavern in Vestfold, Norway.

[3] At the age of 21, Boyesen migrated to the United States in 1869 and initially became assistant editor of Fremad, a Norwegian language weekly published in Chicago.

He was a prolific writer, and, over 20 years, he published 25 books including novels, short stories, poems, and literary criticism.

[7] Boyesen, who was living in New York,[8] died on October 4, 1895 from rheumatic heart disease.