Saint Ermengol or Hermengaudius (d.1035) was the bishop of Urgell from 1010.

He was the nephew and successor of the Bishop Sal·la and a member of the family of the counts of Conflent

County of Conflent

The County of Conflent or Confluent was one of the Catalan counties of the Marca Hispanica in the ninth century. Usually associated with the County of Cerdanya and the county of Razès, and was located to the west of Roussillon...

. He began his episcopate by reforming the cathedral canons, along the lines of the life of Saint Augustine of Hippo

Augustine of Hippo

Augustine of Hippo , also known as Augustine, St. Augustine, St. Austin, St. Augoustinos, Blessed Augustine, or St. Augustine the Blessed, was Bishop of Hippo Regius . He was a Latin-speaking philosopher and theologian who lived in the Roman Africa Province...

, and granting them land in Vallespir

Vallespir

Vallespir is a historical Catalan comarca of Northern Catalonia, part of the French Département of Pyrénées-Orientales. The capital of the comarca is Ceret, and it borders Conflent, Rosselló, Alt Empordà, Garrotxa and Ripollès...

, Cerdanya

Cerdanya

Cerdanya is a natural comarca and historical region of the eastern Pyrenees divided between France and Spain. Historically it has been one of the counties of Catalonia....

, and Alt Urgell

Alt Urgell

Alt Urgell is a comarca in Catalonia, Spain, a modern representation of part of the historic County of Urgell , seat of the Counts of Urgell and the historic region of Urgellet.- Municipalities :...

. In 1012, he travelled to Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

 for an audience with Pope Benedict VIII

Pope Benedict VIII

Pope Benedict VIII , born Theophylactus, Pope from 1012 to 1024, of the noble family of the counts of Tusculum , descended from Theophylact, Count of Tusculum like his predecessor Pope Benedict VI .Benedict VIII was opposed by an antipope, Gregory...

, who confirmed the possessions of his bishopric and its jurisdiction, including over Ribagorza. In 1017, he consecrated Borrell as bishop of Roda

Roda

Roda , meaning "wheel" or, more appropriately in this case, "circle" in Portuguese, is the circular formation within which participants perform in any of several Afro-Brazilian art forms, such as capoeira, maculelê and samba de roda. By extension, the whole event may be called a roda...

 and received recognition by that bishop of his superiority in the local hierarchy.

He was often at odds with the nobility of Urgell

Urgell

The County of Urgell is one of the historical Catalan counties, bordering on the counties of Pallars and Cerdanya.The county was carved by the Franks out of a former section of the Mark of Toulouse when the Alt Urgell area became part of the Carolingian Empire between 785 and 790.The original...

 and he assisted in the construction of many public works. He built the cathedral of Urgell, which was consecrated in 1040 by his successor, Eribau. For these public acts, he is celebrated annually in the Fair of Saint Ermengol. He died at his new Pont de Bar in 1035. He was canonised and his feast day is 3 November.