Top-rated United States television programs of 2005–06
# Top-rated United States television programs of 2005–06

This table displays the top-rated primetime television series of the 2005–06 season as measured by Nielsen Media Research.

| Rank | Program | Network | Rating |
| - | - | - | - |
| 1 | American Idol — Tuesday | FOX | 17.6 |
| 2 | American Idol — Wednesday | FOX | 17.2 |
| 3 | CSI: Crime Scene Investigation | CBS | 15.6 |
| 4 | Desperate Housewives | ABC | 13.8 |
| 5 | Grey's Anatomy | ABC | 12.5 |
| 6 | Without a Trace | CBS | 12.3 |
| 7 | Dancing with the Stars | ABC | 12.0 |
| 8 | CSI: Miami | CBS | 11.8 |
| 9 | Monday Night Football | ABC | 10.6 |
| 9 | House | FOX | 10.6 |
| 11 | Survivor | CBS | 10.3 |
| 12 | NCIS | CBS | 9.8 |
| 13 | Two and a Half Men | CBS | 9.7 |
| 13 | The Unit | CBS | 9.7 |
| 15 | Dancing with the Stars — Results | ABC | 9.6 |
| 15 | Deal or No Deal — Monday | NBC | 9.6 |
| 17 | Cold Case | CBS | 9.3 |
| 18 | Lost | ABC | 9.2 |
| 18 | CSI: NY | CBS | 9.2 |
| 18 | Law & Order: Special Victims Unit | NBC | 9.2 |
| 21 | 60 Minutes | CBS | 9.0 |
| 21 | Deal or No Deal — Wednesday | NBC | 9.0 |
| 23 | Extreme Makeover: Home Edition | ABC | 8.6 |
| 24 | Commander in Chief | ABC | 8.4 |
| 25 | The New Adventures of Old Christine | CBS | 8.3 |
| 25 | Unan1mous | FOX | 8.3 |
| 27 | Criminal Minds | CBS | 8.2 |
| 28 | 24 | FOX | 8.1 |
| 28 | ER | NBC | 8.1 |
| 30 | Out of Practice | CBS | 7.8 |
