| Carlos Valdez | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 26 December 1971 |
| Birth Place: | Baní, Dominican Republic |
| Debutleague: | MLB |
| Debutdate: | July 18 |
| Debutyear: | 1995 |
| Debutteam: | San Francisco Giants |
| Finalleague: | MLB |
| Finaldate: | September 27 |
| Finalyear: | 1998 |
| Finalteam: | Boston Red Sox |
| Debut2league: | NPB |
| Debut2date: | April 6 |
| Debut2year: | 1999 |
| Debut2team: | Kintetsu Buffaloes |
| Final2league: | NPB |
| Final2date: | August 29 |
| Final2year: | 1999 |
| Final2team: | Kintetsu Buffaloes |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 1–1 |
| Stat2label: | Earned run average |
| Stat2value: | 5.00 |
| Stat3label: | Strikeouts |
| Stat3value: | 11 |
| Stat2league: | NPB |
| Stat21label: | Win–loss record |
| Stat21value: | 3–3 |
| Stat22label: | Earned run average |
| Stat22value: | 4.84 |
| Stat23label: | Strikeouts |
| Stat23value: | 35 |
| Teams: | |
Carlos Luis Lorenzo Valdez (born December 26, 1971) is a former middle relief pitcher in Major League Baseball who played in part of two seasons for the San Francisco Giants and Boston Red Sox . He also played in Japan for the Kintetsu Buffaloes . Listed at 5' 11", 191 lb., he batted and threw right-handed. His older brother, Efrain Valdez, also pitched in the major leagues.
In 15 relief appearances, Valdez had a 1–1 record with a 5.00 ERA without saves, giving up 10 runs on 20 hits and 13 walks while striking out 11 in 18.0 innings of work. Valdez also played in the Giants and Red Sox minor league systems (1991–98), posting a 35–37 mark with 4.07 ERA and 16 saves in 267 games.