Oley

Oley may refer to:


 * People
 * Barnabas Oley (1602–1686), English churchman and academic
 * Johann Christoph Oley (1738–1789), German organist and composer


 * Places
 * Oley Valley, Pennsylvania
 * Oley Township, Berks County, Pennsylvania
 * Oley, Pennsylvania, a census-designated place within this township


 * Other
 * OleY, acronym for L-olivosyl-oleandolide 3-O-methyltransferase, an enzyme
 * Oley, a car brand