| National Anti-Drug Office | |
| Native Name: | Oficina Nacional Antidrogas |
| Native Name A: | ONA |
| Seal: | Oficina Nacional Antidrogas logo.jpg |
| Preceding6: | --> |
| Superseding6: | --> |
| Jurisdiction: | Venezuela |
| Headquarters: | Caracas, Venezuela |
| Minister1 Name: | Vice-President of Venezuela |
| Minister8 Name: | --> |
| Deputyminister8 Name: | --> |
| Chief1 Name: | Ramón Castillo García |
| Chief1 Position: | Brigade General |
| Chief9 Name: | --> |
| Parent Agency: | Ministry of Popular Power for Interior, Justice and Peace |
| Child1 Agency: | National Anti-Drugs Fund (FONA) |
| Child25 Agency: | --> |
| Keydocument6: | --> |
The National Anti-Drug Office or ONA (in Spanish: Oficina Nacional Antidrogas) is a Venezuelan law enforcement agency of executive authority responsible for drafting state policy, legal regulation, control and monitoring in combating trafficking drugs, psychotropic substances, and their precursors. The ONA is specially authorized to address and solve problems relating to traffic in narcotic drugs, psychotropic substances, and their precursors.
Froom an organizational point of view, the O.N.A. is a decentralized body with functional autonomy, administrative and financial, established by Decree No. 4220, from January 23, 2006. the National Drugs Fund (FONA) is external service under the Office of National Drug Control (ONA), established by Decree No. 6778, from June 26, 2009.