Look up 여섯 in Wiktionary, the free dictionary.
Ryuk may refer to:
- Ryuk (Death Note), a character in the Death Note media franchise
- Ryuk (ransomware)
- Ryuk (village) or Rük, a village in the Quba Rayon of Azerbaijan
- Ryuk, a romanization for 6 in Korean numerals
- Ryuk, a North Korean romanization for the Yook surname