List of Physicists - O

O

• Georg Ohm — Germany (1789–1854)
• Susumu Okubo — Japan, United States
• Sir Mark Oliphant — Australia (1901–2000)
• David Olive — UK (born 1937)
• Gerard K. O'Neill — United States (1927–1992)
• Lars Onsager — Norway (1903–1976)
• Robert Oppenheimer — United States (1904–1967)
• Lochlainn O'Raifeartaigh — Ireland (1933–2000)
• Nicole Oresme — France (1325–1382)
• Leonard Salomon Ornstein — Netherlands (1880–1941)
• Egon Orowan — Austria-Hungary, United States (1901–1989)
• Yuri Orlov — Soviet Union, United States (born 1924)
• Douglas Dean Osheroff — United States (born 1945)
• Mikhail Vasilievich Ostrogradsky — Russia (1801–1862)
• Hans Christian Ørsted — Denmark (1777–1851)