| Wielki Krzek | |
| Pushpin Map: | Poland#Baltic Sea |
| Pushpin Relief: | 1 |
| Location: | Szczecin Lagoon |
| Coordinates: | 53.8511°N 14.4025°W |
| Country Admin Divisions Title: | Voivodeship |
| Country Admin Divisions: | West Pomeranian Voivodeship |
| Country Admin Divisions Title 1: | County/City |
| Country Admin Divisions 1: | Świnoujście |
| Population: | 0 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Wielki Krzek is a Polish island in the Szczecin Lagoon, near Wolin, at the mouth of Świna, east of Karsibór. Wielki Krzek is uninhabited and is under natural protection on account of its many species of animals.