Koryo may refer to:
- The Goryeo Dynasty of Korea. It is spelt Koryŏ in McCune-Reischauer Romanization.
- Koryo, a pumsae in Taekwondo.
- Kōryō, Nara, a town in Japan.
- Air Koryo, a North Korean airline company.
- Koryo Tours, a British travel company specialising in travel, film and cultural exchanges with North Korea