List of Famous people named Isaac

Isaac Beeckman was a Dutch philosopher and scientist, who, through his studies and contact with leading natural philosophers, may have "virtually given birth to modern atomism".

Major-General Sir Isaac Brock KB was a British Army officer and colonial administrator from Guernsey. Brock was assigned to Lower Canada in 1802. Despite facing desertions and near-mutinies, he commanded his regiment in Upper Canada successfully for many years. He was promoted to major general, and became responsible for defending Upper Canada against the United States. While many in Canada and Britain believed war could be averted, Brock began to ready the army and militia for what was to come. When the War of 1812 broke out, the populace was prepared, and quick victories at Fort Mackinac and Detroit defeated American invasion efforts.

Isaac Doukas Komnenos was a claimant to the Byzantine Empire and the ruler of Cyprus from 1184 to 1191. Contemporary sources commonly call him the Emperor of Cyprus. He lost his empire to Richard the Lionheart during the Third Crusade.

Isaac Murphy was a native of Pennsylvania, a teacher and lawyer who moved to Fayetteville, Arkansas with his wife and child in 1834. He continued to teach and also became active in politics. Murphy is best known as the only delegate to have repeatedly voted against secession at the second Arkansas Secession Convention in 1861.

Isaac Toucey was an American politician who served as a U.S. senator, U.S. Secretary of the Navy, U.S. Attorney General and the 33rd Governor of Connecticut.

Isaac Ingalls Stevens was an American career Army officer and politician, who served as governor of the Territory of Washington from 1853 to 1857, and later as its delegate to the United States House of Representatives. During the American Civil War, he held several Union commands. He was killed at the Battle of Chantilly, while at the head of his men and carrying the fallen colors of one of his regiments against Confederate positions. According to one account, at the hour of his death Stevens was being considered by President Abraham Lincoln for appointment to command the Army of Virginia. He was posthumously advanced to the rank of Major General. Several schools, towns, counties, and lakes are named in his honor.

Isaac the Blind, was a French rabbi and a famous writer on Kabbalah. The Aramaic epithet "Saggi Nehor" meaning "of Much Light" in the sense of having excellent eyesight, an ironic euphemism for being blind. Some historians suspect him to be the author of the Book of the Bahir, an important early text of Kabbalah. Others characterize this view as an "erroneous and totally unfounded hypothesis".