RKO
| 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) |