Grace Miller White (1868–1957) was an American writer. She began her writing career novelizing plays, before turning her hand to novels in 1909. Several of her books were adapted for the big screen, most notably Tess of the Storm Country, which was filmed on four occasions between 1914 and 1960. She adopted the name Grace around 1897, in memory of a younger sister who had died before reaching her first birthday.

Grace S. Richmond was an American writer. She wrote the "Red Pepper Burns" series of popular novels.

Charles Grant Blairfindie Allen was a Canadian science writer and novelist, educated in England. He was a public promoter of evolution in the second half of the nineteenth century.

Grant Showerman Ph.D. was an American classical scholar.

Henry Grantland "Granny" Rice was an early 20th-century American sportswriter known for his elegant prose. His writing was published in newspapers around the country and broadcast on the radio.

Grazia Maria Cosima Damiana Deledda, also known in Sardinian language as Gràssia or Gràtzia Deledda, was an Italian writer who received the Nobel Prize for Literature in 1926 "for her idealistically inspired writings which with plastic clarity picture the life on her native island [i.e. Sardinia] and with depth and sympathy deal with human problems in general". She was the first Italian woman to receive the prize, and only the second woman in general after Selma Lagerlöf was awarded hers in 1909.

Gregorio Leti was an Italian historian and satirist from Milan, who sometimes published under the pseudonym Abbe Gualdi, L'abbé Gualdi, or Gualdus known for his works about the Catholic Church, especially the papacy. All of his publications were listed on the Index Librorum Prohibitorum.

Grenville Kleiser was a North American author. He was the author of a long list of inspirational books and guides to oratorical success and personal development. Kleiser also worked as an instructor in Public Speaking at Yale Divinity School, Yale University.

Greye La Spina was an American writer who published more than one hundred short stories, serials, novelettes, and one-act plays. Her stories appeared in Metropolitan, Black Mask, Action Stories, Ten-Story Book, The Thrill Book, Weird Tales, Modern Marriage, Top-Notch Magazine, All-Story, Photoplay, and many other magazines.

Guðmundur Kamban was an Icelandic playwright and novelist.