The Lord Alvanley | |
|---|---|
 | |
| Personal details | |
| Born | 8 January 1789 London, Kingdom of Great Britain |
| Died | 16 November 1849 |
| Military service | |
| Allegiance |  United Kingdom |
| Branch/service |  British Army |
| Unit | Coldstream Guards |
William Arden, 2nd Baron Alvanley (8 January 1789 – 16 November 1849) was a British Army officer, peer and socialite, who was a friend of Beau Brummell and one of a close circle of young men surrounding the Prince Regent.