Unruoch II (also known as Unroch II) (died 853) was a Frankish nobleman and friend of Charlemagne. In particular, he was witness to the emperor's will in 811.
He was the Frankish Duke (Margrave) of Friuli before 846. He may have been the son of Unruoch I of Friuli or Berenger Count de Friuli. He married Engeltrude (Engletron), daughter of Beggo, Count of Toulouse and had the following issue: