| Year | Album details | Peak chart positions | Certifications |
|---|
| US | AUS
| CAN
| NZ
| UK
|
|---|
| 2001 | Katy Hudson Released: October 23, 2001 Label: Red Hill Formats: CD | — | — | — | — | — | |
| 2008 | One of the Boys Released: June 17, 2008 Label: Capitol Formats: CD, digital download | 9 | 11 | 6 | 17 | 11 | - US: Platinum
- AUS: Platinum
- CAN: 2× Platinum
- NZ: Gold
- UK: Platinum
- EU: Platinum
|
| 2010 | Teenage Dream Released: August 24, 2010 Label: Capitol Formats: CD, digital download | 1 | 1 | 1 | 1 | 1 | - AUS: Gold[19]
- NZ: Gold[16]
- UK: Gold[17]
|
| "—" denotes album that did not chart or was not released |
