Irwin Mitchell
| Headquarters | Sheffield, England, United Kingdom | 
|---|---|
| No. of offices | 20 | 
| No. of attorneys | 1000 | 
| No. of employees | 3,000+ | 
| Major practice areas | General Practice | 
| Key people | Craig Marshall (Group Chief Executive Officer) Glyn Barker (Chairman)  | 
| Revenue | £304m (2024) | 
| Date founded | 1912 | 
| Founder | Walter Irwin Mitchell | 
| Company type | Limited liability partnership | 
| Website | irwinmitchell.com | 
Irwin Mitchell is a full service law firm in the United Kingdom, established in Sheffield in 1912. The firm offers legal and wealth management services from its 20 offices, and employs more than 3,000 people.
In 2018 the company was ranked 21st largest UK based law firm in terms of worldwide revenue, with a turnover of £241.8 million.