Paige VanZant -- one of the toughest women on the planet -- is putting everyone in the MMA community on notice ... saying she's not done with fighting, despite signing a wrestling contract with AEW.
TMZ Sports spoke with the 27-year-old former UFC star/host of "TMZ Fight School" on Snapchat ... and she says any talk of her leaving combat sports full-time for wrestling isn't the case.
In fact, she says she has a Bare Knuckle FC bout coming up later this year .