Union Planters
| Union Planters Bank | |
| Company type | Public | 
| NYSE: UPC | |
| Industry | Bank holding company | 
| Founded | September 1, 1869 as Union and Planters Bank | 
| Founder | William Farrington | 
| Defunct | March 28, 2008 | 
| Fate | Acquired by Regions Financial Corporation | 
| Successor | Regions Financial Corporation | 
| Headquarters | Memphis, Tennessee | 
Number of locations  | 760 | 
Area served  | Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, and Texas | 
| Products | Financial services | 
| Website | Archived website | 
Union Planters Bank was a United States financial institution and multi-state bank holding corporation headquartered in Memphis, Tennessee prior to being acquired by Regions Financial Corporation. With over $34 billion in assets, Union Planters Bank was the largest bank in Tennessee and among the 30 largest bank holding companies in the United States. Union Planters operated over 760 banking centers in the states of Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, and Texas.