| Name | Nationality | Period | Tunes |
|---|
| Rachmaninoff, Sergei |  | 1873–1943 | 3 |
| Rameau, Jean-Philippe |  | 1683–1764 | 3 |
| Ramírez, Francisco |  | ? | 1 |
| Ranish, John |  | 1693–1777 | 39 |
| Ravel, Maurice | | 1875–1937 | 3 |
| Reading, John | | 1685–1764 | 2 |
| Redner, Lewis H. |  | 1831–1908 | 1 |
| Reid, John | | 1721–1807 | 1 |
| Reinagle, Alexander | | 1756–1809 | 1 |
| Reinagle, Joseph | | 1762–1836 | 1 |
| Reissiger, Carl Gottlieb |  | 1798–1859 | 1 |
| Rennie, Adam | | 1897–1960 | 1 |
| Ricketts, Fredrick Joseph | | 1881–1945 | 1 |
| Riddell, John | | 1718–1795 | 1 |
| Rimsky-Korsakov, Nikolai | | 1844–1908 | 5 |
| Roberton, Hugh Stevenson | | 1874–1952 | 1 |
| Robles, Daniel Alomía |  | 1871–1942 | 1 |
| Roche, Alexander D. | | n/a | 1 |
| Rodgers, Richard | | 1902–1979 | 1 |
| Rodríguez, Gerardo Matos |  | 1897–1948 | 1 |
| Rodwell, George Herbert | | 1800–1852 | 2 |
| Romanino, Camillo |  | 1803–1863 | 10 |
| Romberg, Andreas | | 1767–1821 | 1 |
| Root, George Frederick | | 1820–1895 | 1 |
| Rosetti, Francesco Antonio |  | 1750–1792 | 1 |
| Ross, William | | 1823–1891 | 1 |
| Ross, Willie | | 1878–1966 | 1 |
| Rossini, Gioachino | | 1792–1868 | 21 |
| Rouget de Lisle, Claude Joseph | | 1760–1836 | 1 |
| Rubio, Jesús González |  | ?–1874 | 1 |
| Ruge, Filippo | | 1725–1767 | 17 |