Romer is a surname. Notable people with the surname include:
- Wolfgang William Romer (1640âÂÂ1713), Dutch/British military engineer
- Ole Rømer (1644âÂÂ1710), Danish astronomer
- John Lambertus Romer (1680âÂÂ1754), British military engineer
- Johann Jacob Roemer (1763âÂÂ1819), Swiss physician and naturalist
- MichaÃ
 Józef Römer (1778âÂÂ1853), politician, writer, and notable member of the Polish-Lithuanian gentry
- Max Joseph Roemer (1791âÂÂ1849), German botanist
- Isabella Frances Romer (1798âÂÂ1852), English travel writer and novelist
- Edward Jan Römer (1806âÂÂ1878), Polish painter
- Friedrich Adolph Roemer (1809âÂÂ1869), German geologist
- Emma Romer (1814âÂÂ1868), British soprano
- Ferdinand von Roemer (1818âÂÂ1891), German geologist, brother of Friedrich Adolph Roemer
- John Romer (politician) (fl. 1831), 19th century Governor of Bombay
- Alfred Isidore Romer, (1832âÂÂ1897), Belarusian, Polish and Lithuanian painter, sculptor, carver and medalist, participant of the January Uprising (1863)
- Sir Robert Romer (1840âÂÂ1918), British judge
- Edward Mateusz Römer (1848âÂÂ1900), Polish painter
- Mark Romer, Baron Romer (1866âÂÂ1944), British judge
- Eugeniusz Romer (1871âÂÂ1954), Polish cartographer
- Lucien von Römer (1873âÂÂ1965), Dutch physician, botanist and writer
- Helena Romer-Ochenkowska (1875âÂÂ1947), Polish writer, playwright, opinion journalist, theatre critic and activist
- MichaÃ
 Pius Römer (1880âÂÂ1945), Lithuanian lawyer
- Josef âÂÂBeppoâ Römer (1892âÂÂ1944), German anti-fascist Freikorps leader and KPD organizer
- Alfred Romer (1894âÂÂ1973), U.S. paleontologist
- Tadeusz Romer (1894âÂÂ1978), Polish diplomat and politician
- Sir Charles Romer (1897âÂÂ1969), British judge
- Charles E. Roemer, II (1923âÂÂ2012), Louisiana planter, businessman, and politician
- William F. Roemer, Jr. (1926âÂÂ1996), U.S. FBI agent
- Michael Roemer (1928âÂÂ2025), German-born American film director, producer, and writer
- Piet Römer (1928âÂÂ2012), Dutch actor
- Roy Romer (born 1928), governor of Colorado
- Elizabeth Roemer (1929âÂÂ2016), U.S. astronomer
- John Romer (Egyptologist) (born 1941), British egyptologist
- Buddy Roemer (1943âÂÂ2021), U.S. politician
- John Roemer (born 1945), U.S. economist
- Kenneth Roemer (born 1945), U.S. scholar of utopian, American, and Native American literature
- Astrid Roemer (1947âÂÂ2026), Surinamese-Dutch writer and teacher
- 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
- Sarah Roemer (born 1984), American actress
- Peter Roemer, American engineer