| Raul Castillo | |
| Nationality: | American |
| Weight: | 185lb |
| Weight Class: | Middleweight |
| Fighting Out Of: | Half Moon Bay, California |
| Team: | Raul Castillo Martial Arts |
| Years Active: | 2007-present |
| Mma Win: | 6 |
| Mma Kowin: | 4 |
| Mma Subwin: | 2 |
| Mma Loss: | 1 |
| Mma Decloss: | 1 |
| Sherdog: | 16244 |
Raul Castillo is an American mixed martial artist from Half Moon Bay, California.[1] He last competed in 2015, and made appearances for the Strikeforce promotion.
|-| Win| align=center| 7–1| Mauricio Alonso| Decision| Dragon House 19| | align=center| 3| align=center| 5:00| San Francisco, California, United States| |-|-| Loss| align=center| 6–1| Yancy Medeiros| Decision (unanimous)| Strikeforce Challengers: Kaufman vs. Hashi| | align=center| 3| align=center| 5:00| San Jose, California, United States| |-| Win| align=center| 6–0| Brandon Michaels| Submission (rear-naked choke)| | | align=center| 1| align=center| 1:45| San Jose, California, United States|Catchweight (188 lb) bout.|-| Win| align=center| 5–0| Josh Neal| TKO (punches)| GC 80: Summer Showdown| | align=center| 1| align=center| 2:12| San Francisco, California, United States| |-| Win| align=center| 4–0| Eric Lawson| TKO| GC 72: Seasons Beatings| | align=center| 2| align=center| 2:23| San Francisco, California, United States| |-| Win| align=center| 3–0| Nik Theotikos| Submission (choke)| GC 66: Battle Ground| | align=center| 1| align=center| N/A| San Francisco, California, United States| |-| Win| align=center| 2–0| Andrew Montanez| TKO (punches)| | | align=center| 1| align=center| 2:10| San Jose, California, United States| |-| Win| align=center| 1–0| Victor Cabian| TKO| West Coast Fighters| | align=center| 1| align=center| 1:30| Portland, Oregon, United States|