Dario Maglionico was born in Naples in 1986.
He took a degree in Biomedical Engineering at the Milan Polytechnic; since 2014 he has lived and worked in Milan, focusing exclusively on painting. He was a finalist for the Premio Bugatti-Segantini in the category Under-35, and of the 9th edition of Premio Arte Laguna in Venice.
In 2015 he was a finalist in the Como Contemporary Contest. In 2016 Einaudi utilized a detail of Reificazione #9 on the cover of Scherzetto by Domenico Starnone, with whom Maglionico collaborated on a number of illustrations inside the book. That same year, he won the Hi Fructose x Ello Emerging Artist Showcase award, and a special mention for the Premio Marchionni, MAGMMA Museum, Villacidro. He was also one of the finalists of Premio Fondazione VAF, showing works at the MART museum in Rovereto. In 2023 the monography Dario Maglionico. Dove abita il tempo sospeso was published as part of the Collana Giovani Artisti alle Soglie del Nuovo Millennio by VAF Stiftung, curated by Nicoletta Colombo. Maglionico also collaborated with the luxury brand Versace for a recent adv campaign. He exhibited at Antonio Colombo Arte Contemporanea in 2017, 2018, 2021 and 2023.