Bruno may refer to:
- Lionel Corpa, a member of the Association and an information broker in Lucifenia.
- Bruno, a member of the Association serving as the personal butler and aide of Keel Freezis.
- Bruno Marlon, a member of the Association working for the Freezis Foundation.
- Kaidor Blankenheim, who takes up the name "Bruno Marlon" to impersonate him.
- Bruno Zero, the butler and aide of Gallerian Marlon.