Rafael Antonio Orellano Hernandez (born April 28, 1973) is a former pitcher who played for the Nippon Ham Fighters of Nippon Professional Baseball from 1998 to 2000.
The left-handed hurler began his professional baseball career in 1993, playing in the Boston Red Sox minor league system.
After going 11-7 with a 3.09 ERA in 27 starts for the Trenton Thunder in 1995, he was named Boston's 9th-best prospect for 1996.
In 1999, he was 1-5 with a 4.99 ERA in 21 games (5 starts) and in 2000, he made a single appearance, allowing two walks, one hit and an earned run in 1/3 of an inning.
Overall, he went 2-8 with 58 walks, 49 strikeouts and a 6.17 ERA in 36 games (9 starts) in his NPB career.