It's fake. That's like asking if "The Devils Ride" is real (even though it's fake I love that show) the Hells Angels in it were real though because a dude on YouTube went to their supposed "Club Houses" and the Hells Angels club house was real it had all the 1% marks outside it and the deathhead flying high and proud as it should be. Although its not real it's just made for entertainment like"Amish Mafia" they knew that would get people's attention and the audience would say "Dang this is amazing there's an Amish mafia! Lebanon Levi is the man!" when people don't even bother to do some research.
The Amish Mafia is fake. Let's see...The Opening Credits, Amish Capoeira, The Breaking Amish connection, Baby’s First Tramp Stamp and Turns out that the main cast members of the show aren’t actually Amish. They are non-Amish church members. Meaning they are Mennonites, at best. So that whole “Amish” part of the “Mafia” thing…yeah, no.