Raul Castillo is an American mixed martial artist from Half Moon Bay, California. He last competed in 2015, and made appearances for the Strikeforce promotion.
|- | Win | align=center| 7âÂÂ1 | Mauricio Alonso | Decision | Dragon House 19 | | align=center| 3 | align=center| 5:00 | San Francisco, California, United States | |-|- | Loss | align=center| 6âÂÂ1 | Yancy Medeiros | Decision (unanimous) | | | align=center| 3 | align=center| 5:00 | San Jose, California, United States | |- | Win | align=center| 6âÂÂ0 | Brandon Michaels | Submission (rear-naked choke) | | | align=center| 1 | align=center| 1:45 | San Jose, California, United States |<small>Catchweight (188 lb) bout.</small> |- | Win | align=center| 5âÂÂ0 | Josh Neal | TKO (punches) | GC 80: Summer Showdown | | align=center| 1 | align=center| 2:12 | San Francisco, California, United States | |- | Win | align=center| 4âÂÂ0 | Eric Lawson | TKO | GC 72: Seasons Beatings | | align=center| 2 | align=center| 2:23 | San Francisco, California, United States | |- | Win | align=center| 3âÂÂ0 | Nik Theotikos | Submission (choke) | GC 66: Battle Ground | | align=center| 1 | align=center| N/A | San Francisco, California, United States | |- | Win | align=center| 2âÂÂ0 | Andrew Montanez | TKO (punches) | | | align=center| 1 | align=center| 2:10 | San Jose, California, United States | |- | Win | align=center| 1âÂÂ0 | Victor Cabian | TKO | West Coast Fighters | | align=center| 1 | align=center| 1:30 | Portland, Oregon, United States |