| Lorella Stefanelli | |
| Office: | Captain Regent of San Marino |
| Term Start: | 1 October 2015 |
| Term End: | 1 April 2016 Served with Nicola Renzi |
| Predecessor: | Andrea Belluzzi Roberto Venturini |
| Successor: | Massimo Andrea Ugolini Gian Nicola Berti |
| Birth Date: | 20 February 1959 |
| Birth Place: | San Marino, San Marino |
| Spouse: | Silvano di Mario |
| Children: | 2 |
| Party: | Christian Democratic Party |
| Alma Mater: | University of Bologna |
Lorella Stefanelli (born 20 February 1959) is a Sammarinese politician who was Captain Regent of San Marino from October 2015 until April 2016 (alongside Nicola Renzi).
She is a lawyer and worked in the Sammarinese Department of Tourism. She graduated in law from Bologna University.