Alen Nicknames:
- Al
- Len
- Leny
- Ally
- Lenny
- Alenček (Slovene, affectionate diminutive)
- Ale
- Alino (playful or diminutive)
- Alenkin (Russian, affectionate diminutive)
- Neno (Balkan, affectionate diminutive)
Alen Variants:
- Alan
- Allen
- Alain (French)
- Alano (Italian, Spanish)
- Alyn
- Alun (Welsh)
- Alein (Old French)
- Allyn
- Alenka (Slovene, diminutive form)
- Alonso (Spanish)