| ESN | E-Sports Netherlands 
| Others |
| ESN | E-Statement Notification
| Others |
| ESN | Echo State Network
| Others |
| ESN | Eclipse Security Network
| Others |
| ESN | Educationally Sub Normal
| Others |
| ESN | Eldor Spinal Needle
| Others |
| ESN | Electric Shadow Network
| Others |
| ESN | Electronic Seat Numbering
| Others |
| ESN | Electronic Security Number
| Others |
| ESN | Electronic Serial Number
| Others |
| ESN | Electronic serial numbers
| Others |
| ESN | Electronic Solutions Now
| Others |
| ESN | Electronic Switched Network
| Others |
| ESN | Elite Soldiers Of Nato
| Others |
| ESN | Eloquently Saying Nothing
| Others |
| ESN | Emergency Service Number
| Others |
| ESN | Emergency Services Network
| Others |
| ESN | Emerging Scholars Network
| Others |
| ESN | Energy Systems Network
| Others |
| ESN | Engine Serial Number
| Others |
| ESN | Engine Switched Network
| Others |
| ESN | Engineering Services Network
| Others |
| ESN | Enterprise Service Network
| Others |
| ESN | Enterprise Social Network
| Others |
| ESN | Enterprise Storage Network
| Others |
| ESN | Equipment Supply Network
| Others |
| ESN | Erasmus Student Network
| Others |
| ESN | Ethernet Switching Node
| Others |
| ESN | European Securities Network
| Others |
| ESN | European Sensory Network
| Others |
| ESN | European Service Network
| Others |
| ESN | European Services Network
| Others |
| ESN | European Shoutcast Network
| Others |
| ESN | European Singularity Network
| Others |
| ESN | European Society for Neonatology
| Others |
| ESN | European Society for Neurochemistry
| Others |
| ESN | European Startup Network
| Others |
| ESN | European Student Network
| Others |
| ESN | Everything Something Nothing
| Others |
| ESN | Extended Sequence Number
| Others |
| ESN | External Services Network
| Others |
| ESN | Smart Nitrogen
| Others |