Romano-Germanic may refer to:

• Romano-Germanic culture of ancient Germanic peoples subject to the Roman Empire
• Romano-Germanic law, a family of legal systems
• Romano-Germanic Empire, more commonly called the Holy Roman Empire
• Romano-Germanic Museum, Cologne, Germany
• Romano-Germanic Central Museum (Mainz), Germany
• Pontificale Romano-Germanicum ("Romano-Germanic pontifical"), a set of Latin documents of Roman Catholic liturgical practice
• Romano-Germanic languages, a language group of the Indo-European language family that consists of two subgroups: the Romance languages and the Germanic languages.

Romano-German may refer to:

• Romano-German emperor, a term used by some historians for any emperor of the Holy Roman Empire
• "Romano-German", N.Y. Danilevsky's term for the opposite counterpart of Slavic culture in Europe