The following are known Action Replay Codes for Star Wars Episode II: Attack of the Clones on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

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

Master Code – Must Be On
42ea837a
5f7d4303
4114e004
e864907a

Infinite Health
db638e68
34a9aa13

Infinite Lives
5159bc1f
bbbd897a
78d71946
0c569c6b

Infinite Force Power
f9816984
97f7c792