The following are known GameShark Codes for Olympic Summer Games: Atlanta 1996 on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

One-Hundred M Codes
• Red Bar Always Full
  801B9EE0 364C

Four-Hundred M Codes

• Red Bar Always Full
  801B9EE0 364C
• Blue Bar Always Full
  801AF88C 364C