Alfonso Nicknames:
- Fonso
- Alfi
- Alf
- Fonzi
- Sito
- Al
- Lonso
- Alon
- Alfon
- Nito
Alfonso Variants:
- Afonso (Portuguese)
- Alphonse (French)
- Alfons (German, Dutch, Polish)
- Alonso (Spanish)
- Alonzo (Italian, English)
- Alphonsus (Latinized)
- Fonzie (English, Informal)
- Alfie (English, Informal)
- Fonso (Spanish, Informal)
- Alfonsín (Spanish, Diminutive)