"Variant of Wilbert"
The name Wilberto is commonly a male name from the "German" origin.
Wilberto is a variant of the Germanic name Wilbert, which is formed from the elements will, glossed as will or desire, and berht, meaning bright. The ending in -o is the shape the name takes in Spanish and Italian, following the same pattern as Roberto from Robert and Alberto from Albert.
Wilbert means "Brilliant".
The pronunciation of Wilberto is wil-BER-toh.