Delinian
| Headquarters in London | |
| Formerly | Euromoney Institutional Investor PLC | 
|---|---|
| Company type | Private company | 
| Previously | |
| Industry | B2B publishing and information | 
| Founded | 1969 | 
| Founder | Patrick Sergeant | 
| Headquarters | , | 
| Key people | Leslie Van de Walle (Chairman) Andrew Rashbass, CEO | 
| Products | Media, live events, subscription services | 
| Revenue | £336.1 million (2021) | 
| £31.1 million (2021) | |
| £12.6 million (2021) | |
| Number of employees | 2,469 (2021) | 
| Website | www | 
Delinian (formerly Euromoney Institutional Investor) is a British financial media company that has interests in business and financial publishing and event organisation.
As of 2020, it was one of Europe's largest business and financial information companies. It was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index until it was acquired by private equity groups, Astorg and Epiris, in November 2022.