- January 1: The Apple IIe is released.
- January 19: The Apple Lisa is released.
- January 27: Steve Jobs unveils and christens a working Macintosh prototype during a development team retreat held at the La Playa Hotel in Carmel, California.
- January 28: After a night of loud music and skinny dipping, Apple Computer is banned from the La Playa Hotel in Carmel, California.
- April 8: John Sculley becomes CEO of Apple Computer after being recruited by Steve Jobs.
- July: Bill Campbell joins Apple Computer as VP of Marketing.
- August 8-11: The 1983 Apple Independent Software Developers Conference is held in Monterey, California.