The negative impact of spreading and adhering to fake news has dialogically interfered in democratic discussions and debates on fundamental issues for society. With a view to understanding the means of persuasion inserted in the elaboration of these, the present study has the general objective of demonstrating how some fundamental precepts and techniques of classical Aristotelian and Perelmanian rhetoric are observed and used in the production of fake news through the digital integration of enunciative modes in order to persuade the audience. The theme of the dissertation is “Multimodal Rhetoric in Fake News”, whose theoretical contribution, in relation to classical to digital rhetoric, has Aristotle ([350-335 BC] 2019), Perelman and Olbrechts-Tyteca ([1958] 2005), Reboul (2004), Barthes (1975), Meyer (2007), Mateus (2018), Xavier (2013a) and Eyman (2015); regarding the digital mode, Xavier (2013b); about his multimodal production, Kress (2003), Kress and Leeuwen (2001, 2006), and digital, Tandoc, Lim and Ling (2018); to contextualize fake news with the digital sphere and its “filter bubbles”, Pariser, 2012; with political facts that occurred in 2016 and the post-truth phenomenon, D'Ancona (2018), Genesini (2018), Santaella (2018), Ferrari (2021). Methodologically, it is a qualitative research of an interpretative nature according to Prodanov and Freitas (2013), which basically resorted to the bibliographic technique for the conception of the study according to Lakatos and Marconi (2007). The Corpus comes from the journalistic article “10 fake news that were the most shared on the social network Facebook in the first round of the 2018 Brazilian presidential elections”, from which five were selected for analysis of the rhetorical elements defined by Aristotle ([350-335a.C.] 2019) - pathos, ethos, logos and enthymemes associated with the fake news elaboration methods “News Fabrication” and “Photo Manipulation” proposed by Tandoc, Lim and Ling (2018). So, the result of the analyzes corroborates our thesis that fake news is produced through multimodal arrangements that enable rhetorical techniques to persuade and guarantee agreement with the particular audience. Thus, this study achieves relevance by contributing to the understanding, in a significant part, of a complex and challenging research object.