of Cossius Atinianus
- Cossius Atinianus was a Pater of the Mitreo del Circo Massimo.
- Active c. 3rd century in Roma, Latium (Italia).
Fragments of a slab inscription from the Mithraeum in Circo Massimo mention that he sat there as Pater.
The inscription mentions the Pater Cossio Atiano.