Matteo Fiorini, a Sammarinese politician and former Captain Regent of San Marino, died on August 21, 2026, at the age of 48. Born in the City of San Marino on February 10, 1978, Fiorini was a prominent figure in the country's politics, holding the office of Captain Regent twice. Fiorini held the office of Captain Regent from October 2011 to April 2012, alongside Gabriele Gatti.
He was once again elected to the same position from October 2017 to April 2018, this time with Enrico Carattoni. As Captain Regent, Fiorini played a crucial role in shaping the country's governance and policies.