Dreaming of dying dog is a bad omen as per dream meaning and interpretation. The dream means you will witness death or other near death experience. It also means you will hear unfortunate news about someone you love.
Dream of dying dog and it belongs to you means tragedy in life. You will face difficult situations in career and there will be health issues.
Dreaming of dying dog and you have never seen it before means problems from outsiders. You will have to confront strangers and protect yourself or others.
In the dream if you see people you know means you will soon get to hear sad news about some acquaintance.