Röhr (Roehr) () is a surname. Notable people with the name include:
Julius (Philip Benjamin) von Röhr (1737–1793), a Prussian botanist and plant collector, naturalist, medical doctor and watercolourist Julius Edward Roehr (1860–?), member of the Wisconsin State Senate (Franz Hermann) Otto Röhr (1891–1972), a German track and field athlete Hans Gustav Röhr (1895–1937), a German aviation pioneer and automobile designer Julius von Rohr (1737–1793), German-born Danish botanist Matthias "Gonzo" Röhr (born 1962, Frankfurt), rock guitarist Peter Roehr (1944–1968), a German painter Walter Roehrich, founder of the Roehr Motorcycle Company, a US motorcycle manufacturer