| KOS | Kane Owns Steve 
| Others |
| KOS | Kaspersky Online Scanner
| Others |
| KOS | Keel Of Ship
| Others |
| KOS | Keep on Smiling
| Others |
| KOS | Kent on Sunday
| Others |
| KOS | Kept On Salary
| Others |
| KOS | Kerbal Operating System
| Others |
| KOS | Kernel Operating System
| Others |
| KOS | Keyless Operating System
| Others |
| KOS | Khan On Singer
| Others |
| KOS | Kid Or Squid
| Others |
| KOS | Kids Of Survival
| Others |
| KOS | Kill On Sight
| Others |
| KOS | Kill On Site
| Others |
| KOS | Killing On Sight
| Others |
| KOS | Kilos
| Others |
| KOS | Kinetic Oscillation Stimulation
| Others |
| KOS | King Of Sorrow
| Others |
| KOS | King Of Street
| Others |
| KOS | King Of Swords
| Others |
| KOS | Kingdom Of Selling
| Others |
| KOS | Kingdom of Sky
| Others |
| KOS | Kings Of Summer
| Others |
| KOS | Kings Of Swing
| Others |
| KOS | Kingston Online Services
| Others |
| KOS | Knights Of Silence
| Others |
| KOS | Knights Of Sovngarde
| Others |
| KOS | Knights Of Suburbia
| Others |
| KOS | Knowledge Of Self
| Others |
| KOS | Knowledge Operating System
| Others |
| KOS | Knowledge Organisation System
| Others |
| KOS | Knowledge Organization Structure
| Others |
| KOS | Knowledge Organization System
| Others |
| KOS | knowledge organization system(s)
| Others |
| KOS | Knowledge Organization Systems
| Others |
| KOS | Knowledge System
| Others |
| KOS | Kompong Som, Cambodia
| Others |
| KOS | Kuwait Online Store
| Others |