List of Famous people with last name I

Shrimant Peshwa Madhavrao Bhat I was the 9th Peshwa of the Maratha Empire. During his tenure, the Maratha empire recovered from the losses they suffered during the Third Battle of Panipat, a phenomenon known as Maratha Resurrection. He is considered one of the greatest Peshwas in Maratha history.

Pope Innocent I was the bishop of Rome from 401 to his death on 12 March 417. He may have been the son of his predecessor, Anastasius I. From the beginning of his papacy, he was seen as the general arbitrator of ecclesiastical disputes in both the East and the West. He confirmed the prerogatives of the Archbishop of Thessalonica, and issued a decretal on disciplinary matters referred to him by the Bishop of Rouen. He defended the exiled John Chrysostom and consulted with the bishops of Africa concerning the Pelagian controversy, confirming the decisions of the African synods. The Catholic priest-scholar Johann Peter Kirsch, 1500 years later, described Innocent as a very energetic and highly gifted individual "...who fulfilled admirably the duties of his office".

Menpehtyre Ramesses I was the founding pharaoh of ancient Egypt's 19th Dynasty. The dates for his short reign are not completely known but the time-line of late 1292–1290 BC is frequently cited as well as 1295–1294 BC. While Ramesses I was the founder of the 19th Dynasty, his brief reign mainly serves to mark the transition between the reign of Horemheb, who had stabilized Egypt in the late 18th Dynasty, and the rule of the powerful pharaohs of his own dynasty, in particular his son Seti I, and grandson Ramesses II, who would bring Egypt to the height of its imperial power.

Wakanohana Kanji I was a Japanese professional sumo wrestler. He was the sport's 45th yokozuna. He was a popular wrestler and was nicknamed the "Devil of the Dohyō" due to his great fighting spirit and endurance.

Merenre Nemtyemsaf I was the fourth king of the Sixth Dynasty of Egypt. His nomen, theophorically referring to Nemty, was formerly read as Antyemsaf, a reading now known to be incorrect.

John Frederick I, called the Magnanimous, was Elector of Saxony (1532-1547) and head of the Schmalkaldic League.

Kaykaus I or Kayka'us I or Keykavus I was the Sultan of Rum from 1211 until his death in 1220. He was the eldest son of Kaykhusraw I.

Mojmir I, Moimir I or Moymir I was the first known ruler of the Moravian Slavs (820s/830s–846) and eponym of the House of Mojmir. In modern scholarship, the creation of the early medieval state known as Great Moravia is attributed either to his or to his successors' expansionist policy. He was deposed in 846 by Louis the German, king of East Francia.

Pope Julius I was the bishop of Rome from 6 February 337 to his death on 12 April 352. He is notable for asserting the authority of the pope over the Arian Eastern bishops, as well as setting 25 December as the official birthdate of Jesus.

Ahmose I was a pharaoh and founder of the Eighteenth Dynasty of Egypt, classified as the first dynasty of the New Kingdom of Egypt, the era in which ancient Egypt achieved the peak of its power. He was a member of the Theban royal house, the son of pharaoh Seqenenre Tao and brother of the last pharaoh of the Seventeenth dynasty, Kamose. During the reign of his father or grandfather, Thebes rebelled against the Hyksos, the rulers of Lower Egypt. When he was seven years old, his father was killed, and he was about ten when his brother died of unknown causes after reigning only three years. Ahmose I assumed the throne after the death of his brother, and upon coronation became known as nb-pḥtj-rꜥ "The Lord of Strength is Ra".