Usually a diminutive of the names BENJAMIN and BENEDICT.
In some cases, it is also short for Bartholomew.
Famous bearers are Benny Goodman, Benny Andersson, Benny Benassi, Benny Hill, Benny Medina, Benny Neyman, Benny Carter, Benny Ibarra, Benny Friedman, Benny Bufano.