Ripuarian or Rhineland Franks were one of the two main groupings of early Frankish people, and specifically it was the name eventually applied to the tribes who settled in the old Roman territory of the Ubii, with its capital at Cologne on the Rhine river in modern Germany. Their western neighbours were the Salii, or "Salian Franks", who were named already in late Roman records, and settled with imperial permission within the Roman Empire in what is today the southern part of the Netherlands, and Belgium, and later expanded their influence into the northern part of France north of the Loire river, creating the Frankish empire of Francia.

The Franks were a western European people during the Roman Empire and Early Middle Ages. They began as a Germanic people who lived near the Lower Rhine, on the northern continental frontier of the empire. They subsequently expanded their power and influence during the Middle Ages, until much of the population of western Europe, particularly in and near France, were commonly described as Franks, for example in the context of their joint efforts during the Crusades starting in the 11th century. This expansion came about because the romanized Frankish dynasties based within the collapsing Western Roman Empire first became the rulers of the whole region between the rivers Loire and Rhine, and then subsequently imposed power over many other post-Roman kingdoms both inside and outside the old empire.