| Dharmasoka | |
| King of Polonnaruwa | |
| Reign: | 1208–1209 |
| Predecessor: | Kalyanavati |
| Successor: | Anikanga |
| Royal House: | House of Kalinga |
| Father: | Anikanga |
Dharmasoka was an infant King of Polonnaruwa in the thirteenth century, who ruled from 1208 to 1209. He was three months old and installed as king by General Ayasmantha succeeding Kalyanavati as king of Polonnaruwa and was succeeded by his father Anikanga.