| SNN | National Neurosciences Society of Romania 
| Others |
| SNN | Sakellaris Nikolaos Network
| Others |
| SNN | Samenwerkingsverband Noord Nederland
| Others |
| SNN | School News Notifier
| Others |
| SNN | Schoolnet News Network
| Others |
| SNN | Science Network News
| Others |
| SNN | Science News Network
| Others |
| SNN | Secret News Network
| Others |
| SNN | Sequential Neural Network
| Others |
| SNN | Settlers Nation Network
| Others |
| SNN | Shaam News Network
| Others |
| SNN | Shannon, Republic of Ireland
| Others |
| SNN | Shared Nearest Neighbors
| Others |
| SNN | Shi No Numa
| Others |
| SNN | Sigmoid Neural Network
| Others |
| SNN | Simpsons News Network
| Others |
| SNN | Snyder News Network
| Others |
| SNN | Societatea Nationala de Neurostiinte
| Others |
| SNN | Somali News Network
| Others |
| SNN | Somaliland News Network
| Others |
| SNN | Somerville Neighborhood News
| Others |
| SNN | Spammers News Network
| Others |
| SNN | Spartan News Network
| Others |
| SNN | Spay Neuter Network
| Others |
| SNN | Special Needs Network
| Others |
| SNN | Spiking Neural Network
| Others |
| SNN | StarFleet News Network
| Others |
| SNN | Stock News Now
| Others |
| SNN | Suncoast News Network
| Others |
| SNN | Surf News Network
| Others |
| SNN | Sustainable Neighborhood Nicaragua
| Others |