RSN Views 16 meanings found RSN is most often seen online as a playful way to say “real soon now,” but the same letters also label regional sports TV channels, Singapore’s navy, certain security networks, and community reading programs. Miscellaneous Rogue Squadron Net Community Reading Success Network Religious Science of Nashville RingSide News Governmental Republic of Singapore Navy Role Specialist Nation Academic & Science Redasoft Research Net Reducible Sub Net Computing Regional Service Network Robust Security Network Readable Serial Number Internet Real Soon Now Business Racing Simulation Network Radio Sound Network Renison Consolidated Mines NL Sports Regional Sports Network