| Pedro Castellano | |
| Position: | Third baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 11 March 1970 |
| Birth Place: | Barquisimeto, Lara, Venezuela |
| Debutleague: | MLB |
| Debutdate: | May 30 |
| Debutteam: | Colorado Rockies |
| Finalleague: | MLB |
| Finaldate: | June 3 |
| Finalteam: | Colorado Rockies |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .161 |
| Stat2label: | Home runs |
| Stat2value: | 3 |
| Stat3label: | Runs batted in |
| Stat3value: | 9 |
| Teams: | |
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Pedro Orlando Castellano Arrieta (born March 11, 1970), is a Venezuelan former Major League Baseball third baseman/first baseman and right-handed batter who played for the Colorado Rockies (1993, 1995–1996). He also played one season in Japan for the Yomiuri Giants in 1997.
Castellano was a career .161 hitter (15-for-93) with three home runs, nine RBI, 13 runs, two doubles and one stolen base in 51 games. Castellano played for the Tecolotes de Nuevo Laredo of the Mexican League in 2010.