Umberto Betti, O.F.M., S.T.D. (7 March 1922 – 1 April 2009) was an Italian priest of the Order of Friars Minor who on 24 November 2007 was appointed a Cardinal-Deacon of the Roman Catholic Church. Betti was born in Pieve Santo Stefano, Tuscany. He began his novitiate in the Province of St. Francis Stigmatised in Tuscany on 23 July 1937, made his first profession on the 2 August 1938 and his solemn profession on 31 December 1943. He was ordained priest on 5 April 1946.