Slovak Koruna (SKK) is a historic ISO 4217 currency code withdrawn from use, published by the SIX Group maintenance agency in List Three.
- Currency code: SKK
- Currency name: Slovak Koruna
- Record: Slovak Koruna; numeric code 703; withdrawn 2009-01; entity: SLOVAKIA
- List: ISO 4217 List Three (historic currency codes)
- List published: 2026-01-01