Ivano Tognarini (Piombino, Livorno 1944 - Florence 2014) was an italian historian. Since 1976 he teached History of the ancient Italian states and since 1982 Modern History at the University of Siena. Since 1973 he was the director of the four-monthly magazine "Ricerche Storiche". Since 2000 he was the president of the Historical Institute of the Resistance in Tuscany, a member of the Teaching Staff of the Ph.D. Storia urbana e rurale (Perugia), coordinator of the Scientific Committee for the Mercury of Mount Amiata Park-museum and member of various Scientific Committees of parks of industrial archeology (Gavorrano, Colline Metallifere and Val di Cornia, Iron Museum in Follonica, Land of Iron Project - ICMAI, Industry Museum at Cecina’s Magona), vice President of AIPAI, the Italian Association for the Archaeological Industrial Heritage (Milan).
He was a member of the Deputation of National History in Tuscany and of the National Committee for the Bicentennial of the French Revolution (1989). He has lectured and taken part in seminars at various European institutions of higher learning: the European University Centre for Cultural Heritage (Ravello), Maison des Sciences de l’Homme (Paris), visiting professor at the Ecole des Hautes Etudes en Sciences Sociales (Paris), Ecomusée du Creusot. He has dealed mainly with the age of the French Revolution (with particular attention to the phenomenon of Jacobinism); with steel industry and mining activities in Italy between the sixteenth and eighteenth century; with industrial archeology, considered in its content, methods and theoretical and practical structures; with Italian history between sixteenth century and revolutionary age; with history of contemporary Italian society, with particular attention to the labor movement, between nineteenth and twentieth century and more intensely between the rise of fascism and the resistance. This context falls within the Nazi-fascist killings and reprisals during World War II, with one of the first examples of historiography research. 

He was the author of many publications and essays on modern and contemporary age, including: Giacobinismo, rivoluzione, Risorgimento. Una messa a punto storiografica (1977); La Toscana nell’età rivoluzionaria e napoleonica (1985); La Toscana e la Rivoluzione francese (1994); L’identità e l’oblio. Simonetta, Semiramide e Sandro Botticelli (2002); Kesselring e le stragi nazifasciste. 1944: estate di sangue in Toscana (2002); Archeologia industriale in terra di Siena (2010); La tragedia della famiglia di Robert Einstein (2011); La ferriera di Pescia Fiorentina. Un monumento tra storia e futuro (2012).