| Conflict: | Siege of Suceava (1653) |
| Place: | Suceava, Principality of Moldavia |
| Partof: | the Moldavian campaign during the Khmelnytsky Uprising |
| Date: | 22 July – 9 October, 1653 |
| Combatant1: | Moldavia Wallachia Transylvania Polish–Lithuanian Commonwealth |
| Combatant2: | Moldavia Cossack Hetmanate |
| Commander1: | Gheorghe Ștefan Matei Basarab John Kemény |
| Commander2: | Vasile Lupu Tymofiy Khmelnytsky Mykola Fedorovych |
| Result: | Cossack defeat |
| Strength1: | 25,000–30,000 |
| Strength2: | 1,000 Moldavians 6,000 Cossacks |
| Casualties1: | 2,300 killed and wounded[1] |
| Casualties2: | 2,000 killed and wounded |
The siege of Suceava (Romanian: Asediul Sucevei, Ukrainian: Облога Сучави, Polish: Oblężenie Suczawy; 22 July – 9 October, 1653) was fought between the Principalities of Moldavia, Wallachia, Transylvania and Polish–Lithuanian Commonwealth against the Principality of Moldavia and Cossack Hetmanate as a part of the Khmelnytsky Uprising.
Near the site of the present-day city of Suceava in Romania, a forces of Moldavia, Wallachia, Transylvania and Polish–Lithuanian Commonwealth under the command of Princes Gheorghe Ștefan, Matei Basarab and John Kemény, Colonels Henryk Dehoff, Jan Kodracki and Sebastian Machowski defeated and held besieged the positions of the Moldavians and Zaporozhian Cossacks under the command of Voivode Vasile Lupu, Otaman Tymofiy Khmelnytsky, who was killed in the battle and Mykola Fedorovych in the Suceava Castle.
The strength of the defending Cossacks and Moldovans did not exceed 7,000, while a detachment of 25,000 to 30,000 acted against them.