Maximilian Nicknames:
- Max
- Maxi
- Maxim
- Maxie
- Maxo
- Mack
- Mackie
- Millie
- Milo
- Lian
Maximilian Variants:
- Max
- Maxim
- Maximiliano (Spanish variant)
- Maximilien (French variant)
- Maximiliano (Italian variant)
- Maximilanus (Ancient Roman form)
- Maximiliana (Feminine form)
- Maximilienne (French feminine form)
- Maximiliane (German feminine form)
- Maximilieno (Portuguese variant)