Luxembourg Financial Franc (LUL) is a historic ISO 4217 currency code withdrawn from use, published by the SIX Group maintenance agency in List Three.
- Currency code: LUL
- Currency name: Luxembourg Financial Franc
- Record: Luxembourg Financial Franc; numeric code 988; withdrawn 1990-03; entity: LUXEMBOURG
- List: ISO 4217 List Three (historic currency codes)
- List published: 2026-01-01