| Official Name: | Den Lek |
| Native Name: | เด่นเหล็ก |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Uttaradit |
| Subdivision Type3: | District |
| Subdivision Name3: | Nam Pat District |
| Population As Of: | 2005 |
| Population Total: | 4376 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Den Lek (Thai: เด่นเหล็ก, in Thai pronounced as /dèn lèk/) is a village and tambon (sub-district) of Nam Pat District, in Uttaradit Province, Thailand.[1] In 2005, it had a population of 4,376 people. The tambon contains six villages.