| Kang Poyuk | |
| Hangul | 강보육 |
|---|---|
| Hanja | 康寶育 |
| RR | Gang Boyuk |
| MR | Kang Poyuk |
| Posthumous name | |
| Hangul | 원덕대왕 |
| Hanja | 元德大王 |
| RR | Wondeok daewang |
| MR | Wŏndŏk taewang |
Kang Poyuk (Korean: 강보육; Hanja: 康寶育) was a great-grandfather of the first King of Goryeo, Taejo of Goryeo. In 919, he was posthumously honoured as King Wondeok.