- Obadiah of Bertinoroc. 1490Author of the classic and widely studied commentary on the Mishnah
- Obadiah Sfornoc. 1475 CEPhysician, philosopher and biblical commentator of the Italian Renaissance whose exegesis…
- Obadiah, Menasseh and Benjamin of Rome1469Partners who ran the earliest Hebrew printing press (Rome, c. 1469-1472), issuing the…
- Oded Fehr1970Israeli actor, star of The Mummy franchise
- Oded Goldreich2017Israeli cryptographer who laid the foundations of modern cryptography
- Oded Regev2018Israeli inventor of Learning With Errors, the basis of post-quantum cryptography
- Oded Schramm1961Introduced the Schramm-Loewner evolution in probability
- Odeya Rush1997Israeli-American actress, star of Lady Bird and Goosebumps
- Odile Eisenstein1949Computational chemist known for organometallic reaction modeling
- Ofer Bar-Yosef1937Israeli archaeologist and prehistorian of the Paleolithic and human origins in the Levant
- Ofira HenigOfira Henig is one of Israel's most prolific and influential theater directors.
- Ofra Harnoy1965Classical cellist
- Ofra Haza1988Israeli singer of Yemenite-Jewish descent who brought Yemenite Jewish and Middle Eastern…
- Ole von Beust2008Premier bourgmestre de Hambourg de 2001 à 2010 : premier chef de gouvernement allemand…
- Oleg Kagan1946Classical violinist
- Oleg Maisenberg1945Classical pianist
- Oleksii Reznikov2022Ministre de la Défense de l'Ukraine de novembre 2021 à septembre 2023 : il a organisé…
- Olga Belkind-Hankin1852Belkind-Hankin was a professional midwife active in Palestine in the early 20th century.
- Olga Benário PrestesA Communist activist before and during World War II, Olga Benário Prestes’ political…
- Olga Neuwirth2021Austrian composer
- Olga Scheps1986Classical pianist
- Olga Taussky-Todd1906Matrix theory and algebraic number theory
- Olinde Rodrigues1795Rodrigues' formula and rotation composition
- Oliver Hart2016Nobel laureate in economics (2016) for contract theory
- Oliver Hudson2007Actor: Adam Rhodes in Rules of Engagement, Jeff Fordham in Nashville and Wes Gardner in…
- Oliver Jackson-Cohen2018English actor
- Oliver Sacks1933Neurologist and author known for humane case studies of the mind
- Oliver Stone1986Oscar-winning director of Platoon, JFK and Born on the Fourth of July
- Olivier Blanchard2012French macroeconomist
- Olivier Nakache2011Coréalisateur d'Intouchables, l'un des plus grands succès du cinéma français
- Olivier Sitruk1994Acteur de L'Appât de Bertrand Tavernier, comédien de théâtre et administrateur de l'Adami
- Olry Terquem1842Mathématicien, cofondateur des Nouvelles annales de mathématiques et théoricien du cercle…
- Omer Adam2017Israeli singer who fused Mizrahi music with Western pop
- Omer Meir Wellber1981Orchestra conductor
- Omer Reingold2009Israeli cryptographer who proved SL = L
- Omri Casspi2009First Israeli to play in the NBA (2009, Sacramento Kings)
- Onias IVc. 160 BCEHéritier de la grande prêtrise de Jérusalem, il fonda vers 160 av. J.-C. le temple juif…
- Onkelosc. 120Author of Targum Onkelos, the authoritative Aramaic translation of the Torah
- Ophélie Winter1996French pop/R&B singer and actress
- Ora and Theo Coster1979Israeli couple who invented about 200 games and toys, among them Guess Who?, Zingo! and…
- Ora Bat Chaim1935Ora Bat Chaim is a poet, painter, and concert manager who in her late 50s began a…
- Ora Mendelsohn Rosen1935Despite her tragically short career, Ora Mendelsohn Rosen was a brilliant research…
- Ora Namir1930Ora Namir was an Israeli politician, diplomat, and “dove” whose efforts on behalf of…
- Oren Moverman1966Israeli-American screenwriter and director of 'The Messenger.'
- Orest Khvolson1852Physicist who made seminal contributions to radiative transfer theory and predicted…
- Orian Leitersdorf2025Israeli computer engineer, chief scientist of Decart
- Orit AdatoOrit Adato has held many roles throughout her career in security, from head of the…
- Orly Silbersatz1957Israeli actress acclaimed for stage and film work including Broken Wings.
- Orna Banai1966Israeli actress and comedian celebrated for her satirical television work.
- Orna Datz1991Israeli singer, half of Duo Datz, third at the 1991 Eurovision with 'Kan', seven points…
- Orna PoratOrna Porat was a leading actor at the Cameri Theater who also performed at the Habimah…
- Oscar Bloch1877French linguist, author of a foundational etymological dictionary of French.
- Oscar Greenberg1932Physicist
- Oscar Hammerstein II1943Lyricist - Collaborated with Richard Rodgers
- Oscar HandlinProfiled in Thinkers of the 20th Century
- Oscar Levant1906Pianist and composer
- Oscar Lewis1914Anthropologist who developed the concept of the 'culture of poverty'
- Oscar Liebreich1839Pharmacologist who introduced chloral hydrate as a sedative/hypnotic (1869), a landmark…
- Oscar Shumsky1917Classical violinist
- Oscar Straus1870Operetta composer
- Oscar Zariski1899Algebraic geometry
- Oshra Elkayam-Ronen1939Oshra Elkayam-Ronen was an Israeli dancer and choreographer who belonged to the pioneer…
- Osip BrikLiterary & drama critic
- Osip Mandelstam1891Russian Acmeist poet ('Stone', 'Tristia')
- Oskar Fried1871Orchestra conductor
- Oskar Klein1894Physicist
- Oskar Minkowski1858Physician who first linked the pancreas to diabetes, paving the way to insulin.
- Ossip Bernstein1882Chess grandmaster of the classical era
- Ossip Gabrilowitsch1878Conductor and pianist
- Osvaldo Golijov1960Classical composer
- Ottessa Moshfegh2016Novelist of Eileen (PEN/Hemingway Award, Booker shortlist) and My Year of Rest and…
- Ottilie SchönewaldDeeply involved in several women’s and Jewish organizations, Ottilie Schönewald was an…
- Otto BauerEconomist
- Otto Blumenthal1876Complex analysis
- Otto BrahmLiterary & drama critic
- Otto EcksteinEconomist
- Otto Fenichel1897Psychoanalyst who systematized psychoanalytic theory of neurosis
- Otto Frisch1904Physicist
- Otto Kernberg1928Psychoanalyst known for theories of borderline personality and object relations
- Otto Klemperer1885Conductor regarded among the greatest interpreters of Beethoven and Mahler
- Otto Klineberg1899Social psychologist known for cross-cultural research challenging racial theories
- Otto Lipmann1880Pioneer of applied and industrial psychology in Germany
- Otto Loewi1936Demonstrated chemical neurotransmission (acetylcholine)
- Otto Maria CarpeauxLiterary & drama critic
- Otto Meyerhof1884Awarded the 1922 Nobel Prize for discovering the relationship between oxygen consumption…
- Otto Neurath1882Vienna Circle philosopher, advocate of physicalism and unified science
- Otto Preminger1905Director ('Laura', 'Anatomy of a Murder', 'Exodus')
- Otto Rank1884Psychoanalyst known for theories of the birth trauma and will
- Otto Sackur1880Physical chemist known for the Sackur–Tetrode equation
- Otto Selz1881Psychologist known for pioneering research on the psychology of thinking
- Otto Stern1888Physicist
- Otto Szasz1884Analysis
- Otto Toeplitz1881Functional analysis
- Otto Wallach1847Chemist known for alicyclic compounds and terpenes
- Otto Warburg1931Discovery of the nature and mode of action of the respiratory enzyme
- Otto Warburg (botanist)1911Botanist of tropical agriculture and president of the Zionist Organization 1911-1921
- Otto Weininger1903Auteur à vingt-trois ans de Sexe et Caractère (1903), livre qui marqua Wittgenstein…
- Owen Fiss1938Constitutional and procedure scholar
- Owen Witte1949Cancer biologist who elucidated the BCR-ABL cause of chronic myeloid leukemia
- Oz Pearlman1982Israeli-born mentalist ('Oz the Mentalist')