RTI International
| Founded | 1958 | 
|---|---|
| Type | 501(c)3 organization | 
| 56-0686338 | |
| Headquarters | Research Triangle Park, North Carolina | 
| Location | |
| Coordinates | 35°54′9.95″N 78°51′58.26″W | 
| Area served  | Worldwide | 
| Key people | Tim J. Gabel (President/Chief Executive Officer) | 
| Revenue | $1.2 billion (USD) (2023) | 
| Employees | 5,956 (2023) | 
| Website | www | 
Research Triangle Institute, operating as RTI International, is a nonprofit organization headquartered in the Research Triangle Park in North Carolina, USA. RTI provides research and technical services. It was founded in 1958 with $500,000 in funding from local businesses and the three North Carolina universities that form the Research Triangle. RTI research has covered topics like HIV/AIDS, healthcare, education curriculum and the environment.