John Strickland Goodall was a British writer, watercolour painter and illustrator, best known for his wordless picture books such as The Adventures of Paddy Pork, although his output included more conventional pictures, and illustrations for a wide range of publications and books set in villages by the author Dora Saint, who wrote under the pen name of Miss Read". Goodall became one of England's most beloved artists due to the subject matter of his works, the Victorian and Edwardian eras.

John Strype was an English clergyman, historian and biographer from London. He became a merchant when settling in Petticoat Lane. In his twenties, he became perpetual curate of Theydon Bois, Essex and later became curate of Leyton; this allowed him direct correspondence with several highly notable ecclesiastical figures of his time. He wrote extensively in his later years.

John Stuart Blackie FRSE was a Scottish scholar and man of letters.

John Stuart Mackenzie (1860–1935) was a British philosopher, born near Glasgow, and educated at Glasgow, Cambridge, and Berlin. In 1884-89 he was a fellow at Edinburgh and from 1890 to 1896 fellow of Trinity College, Cambridge. He lectured on political economy at Owens College, Manchester, in 1890-93, and in 1895 became professor of logic and philosophy in University College, Cardiff. Mackenzie was an idealist philosopher and a Hegelian of the type of Green, Bradley, Bosanquet, and Caird.

John Stuart Mill was an English philosopher, political economist, politician and civil servant. One of the most influential thinkers in the history of classical liberalism, he contributed widely to social theory, political theory, and political economy. Dubbed "the most influential English-speaking philosopher of the nineteenth century" by the Stanford Encyclopedia of Philosophy, he conceived of liberty as justifying the freedom of the individual in opposition to unlimited state and social control.

John Stuart Thomson (1869–1950) was a writer from the United States. He wrote the books China Revolutionized, The Chinese, Bud and Bamboo, and Fil and Filippa: Story of Child Life in the Philippines.

John Aleck Suchet is an English author, television news journalist, and presenter of classical music on Classic FM.

Sir John Suckling was an English poet, prominent among those renowned for careless gaiety and wit – the accomplishments of a cavalier poet. He also invented the card game cribbage. He is best known for his poem "Ballade upon a Wedding".

John Sullivan Dwight was a transcendentalist, America's first influential classical music critic, and a school director.

Sir John Newenham Summerson was one of the leading British architectural historians of the 20th century.