Domitia was a Roman noble woman who lived in the 1st century. She was the eldest daughter to Roman Consul and General Gnaeus Domitius Corbulo and Cassia Longina, who was daughter of Junia Lepida. Her younger sister was Domitia Longina, a future Roman Empress who would marry the future Roman Emperor Domitian. Her paternal aunt was Roman Empress Milonia Caesonia.