The name Beretta is a girl's name of Italian origin. Beretta and is often added to lists like Badass Baby Names and discussed in our forums with posts like "Picky Parents BNG".
From the experts:
A Beretta is a gun, so named because of the Italian firearms manufacturer that makes it. And now Beretta is also a badass baby name, used in the middle for daughter Breeze by Bristol Palin baby daddy Levi Johnston. What a Tripp.