| Dappula IV | |
| King of Anuradhapura | |
| Reign: | 939 – 940 |
| Predecessor: | Kassapa V |
| Successor: | Dappula V |
| Dynasty: | House of Lambakanna II |
| Father: | Kassapa V |
Dappula IV was King of Anuradhapura in the 10th century, whose reign lasted from 939 to 940. He succeeded his father Kassapa V as King of Anuradhapura and was succeeded by his brother Dappula V.