OSN Ocular Surgery News
OSN Obras Sanitarias de la Nación (Argentina)
OSN Online Social Network
OSN Oregon Sports Network
OSN Oklahoma Sustainability Network (Oklahoma City, OK)
OSN Organic Solvent Nanofiltration
OSN On Sale Now
OSN One Stop Notification
OSN Organizace Spojených Národù (Czech)
OSN Open Software Network
OSN Office of the Secretary of the Navy
OSN Overlay Service Network
OSN Operations Support Network (Ericsson)
OSN Old Sinful Nature
OSN Open Studios Network (UK)
OSN Output Sub-Node
OSN Optical Star Network
OSN Optical Service Network(s) (fiber optics)
OSN On-demand Secure Network
OSN operating system neutrality