Entertainment
- Pak, a project of Ron Anderson
- Nintendo game cartridges and accessories are called paks:
- Controller Pak, the Nintendo 64's memory card
- Expansion Pak, a RAM add-on for Nintendo 64
- Rumble Pak, a haptic feedback device
- Transfer Pak, a data-transfer device
- Tremor Pak, a third-party Rumble Pak
- Fanny Pak, a Los Angeles based dance crew
- Pak Protector, a form of life in Larry Niven's Known Space fictional universe
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