UFC Fight Night 20: Maynard vs. Diaz
- Release Year
 - 2010
 - Runtime
 - 1h 49m
 
- Directed By
 - Not Available
 

UFC Fight Night 20: Maynard vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 11, 2010 at the Patriot Center in Fairfax, Virginia.








