| Ariel Castillo Nájera | |
| Birth Date: | 1955 12, df=yes |
| Birth Place: | State of Mexico, Mexico |
| Occupation: | Politician |
| Party: | PANAL |
Ariel Castillo Nájera (born 2 December 1955) is a Mexican politician from the New Alliance Party. From 2006 to 2009 he served as Deputy of the LX Legislature of the Mexican Congress representing the State of Mexico.[1]