The Oer family is an old and distinguished German noble family from Oer-Erkenschwick, Westphalia. They held the title of Baron.
Notable members
edit- Antonia Baronin Pilars de Pilar (1872–1946), court lady of the duchess of Mecklenburg-Schwerin
- Friedrich Edmund Freiherr von Oer-Egelborg (1842–1896), chamberlain of prince Charles II of Isenburg
- Maximilian Joseph Franz of Oer (1806–1846) was a German writer
- Theobald Freiherr von Oer (1807–1885), painter