|Affiliation||House of Durin|
|Language||Khuzdul and Westron|
|Date of birth||TA 2931|
|Year ascended to the throne||Dwarven|
|Date of death||TA 3003|
|Family||House of Durin|
|Lord of the Rings film trilogy|
Oin II is a Dwarves of Erebor which later inhabitanted in Moria with Balin. He is the son of Floi. He was furious about his father's death, which makes him to explode the Orcs armoury. He was caught after setting up the bomb but it was already too late, the bomb exploded and he died with 90 Orcs guards.