Romer is a surname. Notable people with the surname include:
Wolfgang William Romer (1640–1713), Dutch/British military engineer
Ole Rømer (1644–1710), Danish astronomer
John Lambertus Romer (1680–1754), British military engineer
Johann Jacob Roemer (1763–1819), Swiss physician and naturalist
Michał Józef Römer (1778–1853), politician, writer, and notable member of the Polish-Lithuanian gentry Isabella Frances Romer (1798–1852), English travel writer and novelist Edward Jan Römer (1806−1878), Polish painter Friedrich Adolph Roemer (1809–1869), German geologist Emma Romer (1814–1868), British soprano Ferdinand von Roemer (1818–1891), German geologist, brother of Friedrich Adolph Roemer John Romer (politician) (fl. 1831), 19th century Governor of Bombay Alfred Isidore Romer, (1832–1897), Belarusian, Polish and Lithuanian painter, sculptor, carver and medalist, participant of the January Uprising (1863) Sir Robert Romer (1840–1918), British judge Edward Mateusz Römer (1848–1900), Polish painter Mark Romer, Baron Romer (1866–1944), British judge Eugeniusz Romer (1871–1954), Polish cartographer Lucien von Römer (1873–1965), Dutch physician, botanist and writer Helena Romer-Ochenkowska (1875–1947), Polish writer, playwright, opinion journalist, theatre critic and activist Michał Pius Römer (1880–1945), Lithuanian lawyer Josef “Beppo” Römer (1892–1944), German anti-fascist Freikorps leader and KPD organizer Alfred Romer (1894–1973), U.S. paleontologist Tadeusz Romer (1894–1978), Polish diplomat and politician Sir Charles Romer (1897–1969), British judge Charles E. Roemer, II (1923–2012), Louisiana planter, businessman, and politician William F. Roemer, Jr. (1926–1996), U.S. FBI agent Piet Römer (1928–2012), Dutch actor Roy Romer (born 1928), governor of Colorado Elizabeth Roemer (born 1929), U.S. astronomer John Romer (Egyptologist) (born 1941), British egyptologist Buddy Roemer (1943–2021), U.S. politician John Roemer (born 1945), U.S. economist Kenneth Roemer (born 1945), U.S. scholar of utopian, American, and Native American literature. Hanne Rømer (born 1949), Danish composer Paul Romer (born 1955), U.S. economist Timothy J. Roemer (born 1956), U.S. politician and ambassador Christina Romer (born 1958), U.S. economist, chair of the Council of Economic Advisers David Romer (born 1958), U.S. economist Marcus Romer (born 1961), UK theatre director Emile Roemer (born 1962), Dutch politician Max Joseph Roemer (1791–1849), German botanist Sarah Roemer (born 1984), American actress