Lelio Sozzini, Italian Protestant theologian (b. 1525)
Lelio Francesco Maria Sozzini, or simply Lelio (Latin: Laelius Socinus; 29 January 1525 – 4 May 1562), was an Italian Renaissance humanist and anti-Trinitarian reformer, and uncle of the better known Fausto Sozzini (Latin: Faustus Socinus) from whom the Polish Brethren and early English Unitarians came to be called "Socinians".