I.DE.A Institute
| Company type | S.p.A. | 
|---|---|
| Industry | Automotive | 
| Founded | December 14, 1978 | 
| Founder | Franco Mantegazza | 
| Defunct | 2019 | 
| Fate | Liquidated | 
| Headquarters | , | 
| Key people | Franco Mantegazza (Founder) Renzo Piano | 
| Services | industrial engineering and design, automobile design and prototyping | 
| Number of employees | > 350 | 
| Parent | Quantum Kapital AG group | 
| Website | www.ideainstitute.it | 
I.DE.A Institute (acronym, Institute of Development in Automotive Engineering) was an automobile design and engineering company in Turin, Italy, founded in 1978 by Franco Mantegazza and architect Renzo Piano, with engineer Peter Rice as Vice President.
The Rieter Holding Ltd took full control of the company in 2002. The company grew with offices in China and Brazil by the time Rieter sold the company in 2010 to the Swiss investment group Quantum Kapital AG. The company was liquidated in 2019.