The Usipes (Latin: Usipi) were a Teutonlandish folk whose land lay on the right sidehill of the Rhine (and thus outside the Roman Kyserdom, in Germania), likely between the dales of the Lahn and Sieg. They are spoken of in Ptolemy's Geography and in Tacitus' Germania (chapter 32), where they are said to be one of the neighbouring folks to the Chatti and the Tencteri bewhile the 1st hundredyear AD.

They are most ill-knownly written about in Tacitus' Agricola (chapter 28), where he tells how a clashteam drafted into the Roman warband uprose whilst on war in northern Britain (guessingly on the west shore) with his father-in-law, the herethain Gn. Iulius Agricola (most likely in AD 82, although the timeline is wrangled). They killed the hundredlord and kindish Roman harmen grounded with them for training wherefores, then stole three ships and sailed round the northern end of Britain, their hardships withholding being driven to maneating by lack of food. They in the end made landfall in the land of the Suebes, where some were taken by that folk. Others are caught by the Frish and a few outlivers were sold into thralldom to tell their tale.

Dio Cassius tells an alike (if rather fewfolded) tale but puts the happenings a few years earlier.

It is likely that they were the same as the Usipetes, a folk fought by Julius Caesar in 55 BC.

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