| Acronym | Definition |
|---|
| RKO➣Radio Keith Orpheum (movie studio) |
| RKO➣Richards Kibbe & Orbe (law firm; New York, NY) |
| RKO➣Randy Keith Orton (wrestling) |
| RKO➣Runyon Kersteen Ouellette (accounting firm; Maine) |
| RKO➣Radio King Orchestra (Montgomery Village, MD) |
| RKO➣Relativistic Klystron Oscillator |
| RKO➣Rural King Ohio (farm supply store) |
| RKO➣Russell K Osgood (Grinnell College) |
| RKO➣Randys Knock Out (wrestling) |