Bazza is a diminutive form (English) of the name Barry (English and Irish).
Bazza is also a diminutive form (English) of the name Sebastian (English, French, German, Scandinavian, and Spanish).
Bazza is a seldom used baby name for boys. It is not listed within the top 1000 names. In 2018, out of the group of boy names directly related to Bazza, Sebastian was the most widely used.