These are the U.S. number-one country albums of 2006, per the Billboard Top Country Albums chart.
Note that Billboard publishes charts with an issue date approximately 7–10 days in advance.
| Issue Date | Album | Artist |
| January 7 | Some Hearts | Carrie Underwood |
| January 14 | Some Hearts | Carrie Underwood |
| January 21 | Some Hearts | Carrie Underwood |
| January 28 | Some Hearts | Carrie Underwood |
| February 4 | Some Hearts | Carrie Underwood |
| February 11 | Your Man | Josh Turner |
| February 18 | Some Hearts | Carrie Underwood |
| February 25 | Some Hearts | Carrie Underwood |
| March 4 | Some Hearts | Carrie Underwood |
| March 11 | Some Hearts | Carrie Underwood |
| March 18 | Precious Memories | Alan Jackson |
| March 25 | Some Hearts | Carrie Underwood |
| April 1 | Some Hearts | Carrie Underwood |
| April 8 | Precious Memories | Alan Jackson |
| April 15 | Reflected: Greatest Hits Vol. 2 | Tim McGraw |
| April 22 | Me and My Gang | Rascal Flatts |
| April 29 | Me and My Gang | Rascal Flatts |
| May 6 | Me and My Gang | Rascal Flatts |
| May 13 | Me and My Gang | Rascal Flatts |
| May 20 | Me and My Gang | Rascal Flatts |
| May 27 | Me and My Gang | Rascal Flatts |
| June 3 | Me and My Gang | Rascal Flatts |
| June 10 | Taking the Long Way | Dixie Chicks |
| June 17 | Taking the Long Way | Dixie Chicks |
| June 24 | Taking the Long Way | Dixie Chicks |
| July 1 | Taking the Long Way | Dixie Chicks |
| July 8 | Taking the Long Way | Dixie Chicks |
| July 15 | Taking the Long Way | Dixie Chicks |
| July 22 | American V: A Hundred Highways | Johnny Cash |
| July 29 | American V: A Hundred Highways | Johnny Cash |
| August 5 | If You're Going Through Hell | Rodney Atkins |
| August 12 | Me and My Gang | Rascal Flatts |
| August 19 | Me and My Gang | Rascal Flatts |
| August 26 | Me and My Gang | Rascal Flatts |
| September 2 | Dangerous Man | Trace Adkins |
| September 9 | Dangerous Man | Trace Adkins |
| September 16 | Me and My Gang | Rascal Flatts |
| September 23 | Me and My Gang | Rascal Flatts |
| September 30 | Me and My Gang | Rascal Flatts |
| October 7 | Live: Live Those Songs Again | Kenny Chesney |
| October 14 | Like Red on a Rose | Alan Jackson |
| October 21 | It Just Comes Natural | George Strait |
| October 28 | Take the Weather with You | Jimmy Buffett |
| November 4 | Long Trip Alone | Dierks Bentley |
| November 11 | Songs of Inspiration | Alabama |
| November 18 | Small Town Girl | Kellie Pickler |
| November 25 | Love, Pain & the Whole Crazy Thing | Keith Urban |
| December 2 | Love, Pain & the Whole Crazy Thing | Keith Urban |
| December 9 | Love, Pain & the Whole Crazy Thing | Keith Urban |
| December 16 | Some Hearts | Carrie Underwood |
| December 23 | Some Hearts | Carrie Underwood |
| December 30 | Some Hearts | Carrie Underwood |
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Famous quotes containing the words country, list, number-one:
“Though it is curious here,
unusually awkward to walk.
It is without grace.
There is no rhythm
in this country of dirt.”
—Anne Sexton (1928–1974)
“The advice of their elders to young men is very apt to be as unreal as a list of the hundred best books.”
—Oliver Wendell Holmes, Jr. (1841–1935)
“I’m your number-one fan.”
—William Goldman (b. 1931)