Giovanni Agostino De Marini | |
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| 105th Doge of the Republic of Genoa | |
| In office 14 August 1641 – 19 June 1642 | |
| Preceded by | Giovanni Battista Durazzo |
| Succeeded by | Giovanni Battista Lercari |
| Personal details | |
| Born | 1572 Genoa, Republic of Genoa |
| Died | 19 June 1642 Genoa, Republic of Genoa |
Giovanni Agostino De Marini (Genoa, 1572 - Genoa, 19 June 1642) was the 105th Doge of the Republic of Genoa and king of Corsica.