Rogerius can refer to the following things:
It is the Latin form of the given name
Roger
Roger is a masculine given name, and a surname. The given name is derived from the Old French personal names ' and '. These names are of Germanic languages">Germanic origin, derived from the elements ', ''χrōþi'' ("fame", "renown", "honour") ...
, and was the name of several medieval figures.
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Rogerius (physician) (also called Rogerius Salernitanus, Roger Frugard, Roger Frugardi, Roggerio Frugardo, and Roggerio dei Frugardi), a twelfth-century physician and surgeon from Salerno
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Rogerius of Apulia, in Italian ''Ruggero di Puglia'', a thirteenth-century churchman who described the Tatar invasions in his work ''Carmen Miserabile''
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Rogerius, Romania, a district or quarter (''cartier'' in Romanian) of Oradea, the largest city of Bihor county, Romania
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Abraham Rogerius, 17th-century Dutch clergyman and translator active in India
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