Henry John Roby, was an English classical scholar and writer on Roman law, and a Liberal Member of Parliament. He was a Cambridge Apostle.

Henry John Stephen (1787–1864) was an English legal writer and serjeant-at-law.

Henry Jones Ford was a political scientist, journalist, university professor, and government official. He served as president of the American Political Science Association. He was appointed by Woodrow Wilson as the Banking and Insurance Commissioner of New Jersey in 1912.

Henry Julian White was an English biblical scholar.

Henry A. Kamen is a British historian, who has published extensively on Europe, Spain, and the Spanish Empire.

Thomas Henry Kendall, was an Australian author and bush poet, who was particularly known for his poems and tales set in a natural environment. He appears never to have used his first name — his three volumes of verse were all published under the name of "Henry Kendall".

Henry Kingsley was an English novelist, brother of the better-known Charles Kingsley. He was an early exponent of muscular Christianity in an 1859 work, The Recollections of Geoffry Hamlyn.

Henry Kirke White was an English poet and hymn-writer. He died at the young age of 21.

Henry Kitchell Webster was an American who was one of the most popular serial writers in the country during the early twentieth century. He wrote novels and short stories on themes ranging from mystery to family drama to science fiction, and pioneered techniques for making books best sellers.

Henry Knighton was an Augustinian canon at the abbey of St Mary of the Meadows, Leicester, England, and an ecclesiastical historian (chronicler). He wrote a history of England from the Norman conquest until 1396, thought to be the year he died.