Howdy, I'm headed around to every NFL sub looking for answers on what every NFL fanbase calls themselves (think Raider Nation, Bills Mafia, etc.) in order to put together a full list.
Here's what I have so far based on preliminary knowledge. Feel free to correct me if there's a better option than what I have listed.
AFC WEST
Raiders: Raider Nation
Chiefs: Chiefs Kingdom
Broncos: Broncos Country
Chargers: Bolt Fam(?)
AFC NORTH
Steelers: Steeler Nation/Yinzers
Browns: Dawg Pound
Ravens: Ravens Flock
Bengals: Whodey Nation(?)
AFC EAST
Jets: ???
Bills: Bills Mafia
Patriots: ???
Dolphins: ???
AFC SOUTH
Texans: ???
Colts: ???
Titans: ???
Jaguars: ???
NFC WEST
Rams: Ramily(?)
Cardinals: Bird Gang/Red Sea
Seahawks: 12s
49ers: Niner Gang/Faithful
NFC NORTH:
Packers: Cheeseheads
Lions: One Pride
Vikings: ???
Bears: ???
NFC EAST
Cowboys: Dem Boys(?)
Eagles: ???
Commanders: ???
Giants: Big Blue(?)
NFC SOUTH
Buccaneers: ???
Saints: ???
Falcons: ???
Panthers: ???
Top voted answer by Thursday (11/23) morning wins. I'm only posting this in subs with names I don't know or are iffy on. Show me what you got!