1) Italian surname 
Trentin is a Latin name for boys. The meaning is `from the quick stream` The name Trentin is -as far as we know- only given to American boys. What do they use in other countries? Trenton (English) The name sounds like: Trenten, Tarrent, Thornton Similar names are: Brentin, Brantin, Brendin, Brentyn, Brenton, Brenten, Brentan, Tristin