Top-rated United States television programs of 1989–90
# Top-rated United States television programs of 1989–90

This table displays the top-rated primetime television series of the 1989–90 season as measured by Nielsen Media Research.

| Rank | Program | Network | Rating |
| - | - | - | - |
| 1 | The Cosby Show | NBC | 23.1 |
| 1 | Roseanne | ABC | 23.1 |
| 3 | Cheers | NBC | 22.7 |
| 4 | A Different World | NBC | 21.1 |
| 5 | America's Funniest Home Videos | ABC | 20.9 |
| 6 | The Golden Girls | NBC | 20.1 |
| 7 | 60 Minutes | CBS | 19.7 |
| 8 | The Wonder Years | ABC | 19.2 |
| 9 | Empty Nest | NBC | 18.9 |
| 10 | Monday Night Football | ABC | 18.1 |
| 11 | Unsolved Mysteries | NBC | 18.0 |
| 12 | Who's the Boss? | ABC | 17.9 |
| 13 | Murder, She Wrote | CBS | 17.7 |
| 13 | Chicken Soup | ABC | 17.7 |
| 15 | Grand | NBC | 17.6 |
| 16 | L.A. Law | NBC | 17.4 |
| 17 | Dear John | NBC | 17.2 |
| 18 | Coach | ABC | 17.0 |
| 19 | In the Heat of the Night | NBC | 16.9 |
| 20 | Matlock | NBC | 16.6 |
| 21 | Growing Pains | ABC | 15.4 |
| 22 | Full House | ABC | 15.3 |
| 22 | Designing Women | CBS | 15.3 |
| 24 | CBS Sunday Movie | CBS | 14.9 |
| 24 | Hunter | NBC | 14.9 |
| 26 | Head of the Class | ABC | 14.8 |
| 27 | Murphy Brown | CBS | 14.7 |
| 28 | The Simpsons | FOX | 14.5 |
| 28 | Night Court | NBC | 14.5 |
| 28 | Doogie Howser, M.D. | ABC | 14.5 |
