| Teodoro Lonfernini | |
| Office: | Captain Regent of San Marino |
| Alongside: | Denise Bronzetti |
| Term Start: | 1 October 2012 |
| Term End: | 1 April 2013 |
| Predecessor: | Italo Righi Maurizio Rattini |
| Successor: | Antonella Mularoni Denis Amici |
| Birth Date: | 12 May 1976 |
| Birth Place: | San Marino |
| Party: | Sammarinese Christian Democratic Party |
Teodoro Lonfernini (born 12 May 1976) is a Sammarinese politician and former Captain Regent. He held the post from 1 October 2012 to 1 April 2013, with Denise Bronzetti. He was previously a member of the Grand and General Council.[1]
Lonfernini was the second captain regent of this name, the previous one having served in 1944–1945; see List of Captains Regent of San Marino.