The University of Santo Tomas Baybayin Documents or UST Baybayin Documents are two 17th century land deeds written in Baybayin script. Due to their historical significance, the documents were declared as a National Cultural Treasure by the National Archives of the Philippines Director Victorino Manalo during the Second Baybayin Conference at the Museum of the Filipino People, Manila on 22 August 2014. It was the first declaration made the Philippines' national archives and the first paper document declared as a National Cultural Treasure.