The sources checked record no meaning for Zambu as a personal name.
Playful
Cool
Gold, Brown, Black, White
Any Size
Unisex
African
Z
5 Letters
An informal African name for the Zambezi shark, the bull shark
Recorded as a feminine given name in Danish and Hungarian
Means "bundled up and set to dry" in Yoruba
Recorded as a masculine given name in Tsonga