Iosif Pavlovich Utkin was a Russian poet of the World War II generation.

Te Ioteba Tamuera Uriam was a politician, writer and musician of Kiribati. He was from Tamana. He wrote the Gilbertese and English lyrics and the music of the national anthem, "Kunan Kiribati".

Ippolit Fyodorovich Bogdanovich was a Russian classicist author of light poetry, best known for his long poem Dushenka (1778).

Ippolit Feofilovich Kraskovsky was a Russian writer. He attended the Saint Petersburg Theological Academy, having moved to Moscow in the 1860s, and wrote short stories for the Moskovskiye Vedomosti newspaper in the 1860s. He later spent roughly a year in Mount Athos, after which he wrote a book entitled Macarius of Athos.

Ippolit Vasilievich Shpazhinsky was a Russian playwright and poet. He is best known for his play The Enchantress (Чародейка), which Pyotr Ilyich Tchaikovsky adapted as his opera of the same name.

Ippolito Nievo was an Italian writer, journalist and patriot. His Confessions of an Italian is widely considered the most important novel about the Italian Risorgimento.

Ippolito Pindemonte was an Italian poet. He was an exponent of Italian neoclassicism and pre-romanticism, with poems of the pastoral genre and related to graveyard poets style.

Niccola Francesco Ippolito Baldassarre Rosellini, known simply as Ippolito Rosellini was an Italian Egyptologist. A scholar and friend of Jean-François Champollion, he is regarded as the founder of Egyptology in Italy.

Ira Berlin was an American historian, professor of history at the University of Maryland, and former president of Organization of American Historians.

Ira Gershwin was an American lyricist who collaborated with his younger brother, composer George Gershwin, to create some of the most memorable songs in the English language of the 20th century. With George, he wrote more than a dozen Broadway shows, featuring songs such as "I Got Rhythm", "Embraceable You", "The Man I Love" and "Someone to Watch Over Me". He was also responsible, along with DuBose Heyward, for the libretto to George's opera Porgy and Bess.