San Leonardo (Slovene: Svet Lienart or Podutana; Friulian: San Lenàrt) is a comune (municipality) in the Regional decentralization entity of Udine in the Italian region of Friuli-Venezia Giulia, located about 60 kilometres (37 mi) northwest of Trieste and about 25 kilometres (16 mi) east of Udine, and borders the following municipalities: Grimacco, San Pietro al Natisone, Savogna, Stregna, and Prepotto.

San Leonardo localities include: Altana-Utana, Camugna-Kamunja, Cemur-Čemur, Cernizza-Čarnica, Cisgne-Čišnje, Clastra-Hlastra, Cosizza-Kosca, Cravero-Kravar, Crostù-Hrastovije, Dolegna-Dolenjane, Grobbia-Grobje, Iainich-Jagnjed, Iesizza-Jesičje, Iessegna-Jesenje, Merso di Sopra-Gorenja Miersa, Merso di Sotto-Dolenja Miersa, Osgnetto-Ošnije, Ovizza-Ovica, Picig-Pičič, Picon-Pikon, Podcravero-Podkravar, Postacco-Puostak, Precot-Prehod, Scrutto-Škrutove, Seuza-Seucè, Ussivizza-Ušiuca, Zabrida-Zabardo, Zamir-Zamier.

[3]Municipal hall is located in Merso di Sopra.

89.2% of the population in San Leonardo were Slovenes according to the census 1971.

[4] This article on a location in Friuli-Venezia Giulia is a stub.