See also: [[::Category:Archivio Pietro Pensa|
- Category:Archivio Pietro Pensa]].
The Archivio Pietro Pensa (Pietro Pensa Archive) is a private archive managed by the Associazione Amici del Museo delle Grigne Onlus based in Esino Lario, Province of Lecco, Italy. The archive preserves documents of the Lombardy Region dated between XIV and XX century. The collection includes around 100 parchments, old documents, photographs, microfilms, and a library specialized in local history. Among the documents of the collection the archives Sfondrati Serbelloni, Orlandi, Guastella, Arrigoni, Gandola and old documents in particular related to Esino Lario, Valsassina and Valtellina.