| Alberto Jiménez | |
| Nickname: | Ratón |
| Weight: | Featherweight Bantamweight Flyweight Light Flyweight |
| Height: | 1.57 m |
| Reach: | 173 cm |
| Birth Date: | 1969 4, df=yes |
| Birth Place: | Colonia Valle Gómez, Mexico City, Mexico |
| Style: | Orthodox |
| Total: | 42 |
| Wins: | 34 |
| Ko: | 29 |
| Losses: | 5 |
| Draws: | 3 |
| No Contests: | 0 |
Alberto Jiménez (born 8 April 1969) is a Mexican former professional boxer who competed from 1988 to 2000. He held the WBO flyweight title from 1995 to 1996, making six title defences.
In June 1991, Alberto won the Mexican National flyweight title by beating veteran Gonzalo Villalobos.
In his first world title attempt, he lost a very disputed twelve round majority decision to Muangchai Kittikasem in Lumpinee Boxing Stadium, Bangkok, Thailand.
On February 11, 1995, Jiménez won the WBO flyweight title by upsetting South Africa's Jacob Matlala with an eighth round T.K.O. in Carousel Casino, Hammanskraal, Gauteng, South Africa.