H
- Hacksaw – Power Macintosh 6400
- Hammerhead – PowerBook G4 (17-inch)
- Harmony – Mac OS 7.6
- Heavenly - iPhone OS 1.0, 1.0.1, 1.0.2
- Hera Mac OS X PR1
- Hero – iMac G5 (17-inch)
- Hero – iMac G5 (20-inch)
- Hokusai – PowerBook 180c
- Hook – Macintosh LC 520
- Hook 33 – Macintosh LC 550
- Hooper – PowerBook 3400c
- Horizon – iMac G4 (USB 2.0; 15-, 17-inch)
Read more about this topic: List Of Apple Codenames