| Marino Venturini | |
| Office: | Captain Regent of San Marino |
| Alongside: | Pier Natalino Mularoni |
| Term Start: | 1 October 1995 |
| Term End: | 1 April 1996 |
| Predecessor: | Marino Bollini Settimio Lonfernini |
| Successor: | Pier Paolo Gasperoni Pietro Bugli |
| Term Start1: | 1 April 1986 |
| Term End1: | 1 October 1986 Served with Ariosto Maiani |
| Predecessor1: | Pier Paolo Gasperoni Ubaldo Biordi |
| Successor1: | Giuseppe Arzilli Maurizio Tomassoni |
| Term Start2: | 1 April 1982 |
| Term End2: | 1 October 1982 Served with Giuseppe Maiani |
| Predecessor2: | Mario Rossi Ubaldo Biordi |
| Successor2: | Libero Barulli Maurizio Gobbi |
| Term Start3: | 1 April 1976 |
| Term End3: | 1 October 1976 Served with Clelio Galassi |
| Predecessor3: | Giovanni Vito Marcucci Giuseppe Della Balda |
| Successor3: | Primo Bugli Virgilio Cardelli |
| Birth Date: | 23 March 1944[1] |
| Birth Place: | City of San Marino, San Marino |
| Death Place: | City of San Marino, San Marino |
| Party: | Socialist Party |
Marino Venturini (23 March 1944 – 5 June 2019) was a Sammarinese politician who served as captain regent on four occasions. He was a member of the Sammarinese Socialist Party.[2]
His first term was with Clelio Galassi (April 1976-October 1976). His second term was with Giuseppe Maiani from (April 1982-October 1982). His third term was with Ariosto Maiani from April 1986 to October 1986. His fourth term was with Piere Natalino Mularoni (October 1995-April 1996).
In 1982 he, alongside Giuseppe Maiani, welcomed Pope John Paul II when the head of the Catholic Church arrived for a historic visit in San Marino.[3]
Marino Venturini died on 5 June 2019 in the state hospital of San Marino.[4]