| Official Name: | Tsar Samuil |
| Native Name: | Цар Самуил |
| Pushpin Map: | Bulgaria |
| Coordinates: | 43.9667°N 50°W |
| Subdivision Type: | Country |
| Subdivision Name1: | Silistra |
| Subdivision Name2: | Tutrakan |
| Leader Title: | Mayor |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Postal Code Type: | Postal Code |
Tsar Samuil (bg|Цар Самуил, tr|Kütüklü, ro|Țar Samuil) is a village on the Danube, in northeastern Bulgaria, part of Tutrakan Municipality, Silistra Province.