The Frías I Cabinet constituted the 33rd cabinet of the Republic of Bolivia. It was formed on 28 November 1872 after Tomás Frías was sworn in as the 17th president of Bolivia following the assassination of Agustín Morales, succeeding the Morales Cabinet. It was dissolved on 9 May 1873 upon the end of Frías' mandate and was succeeded by the Cabinet of Adolfo Ballivián.