TNA Slammiversary XII
- År: 2014
- Land: United States of America
- Genre:
- Studio: Total Nonstop Action (TNA)
- Nyckelord: pro wrestling
- Direktör: Dixie Carter-Salinas
- Kasta: Jeremy Fritz, Franklin Lashley, Nuufolau Joel Seanoa, Daniel Solwold Jr., Kenny D. Layne, Ken Anderson