Oatley may refer to:
- People
- Charles Oatley (1904–1996), electrical engineer
- George Oatley (1863–1950), architect
- Jacqui Oatley, broadcaster
- James Oatley (c. 1769–1839), convict and landowner
- Keith Oatley, psychologist
- Neil Oatley (born 1954), automotive engineer
- Places
- Oatley, New South Wales
- Oatley Bay, New South Wales