Jenny De Cesarei is an Italian voice actor known for her extensive work in anime dubbing, video games, and other media. Born in Milan on January 12, 1975, she developed an interest in performance from a young age and trained at the Centro Teatro Attivo in Milan, also studying at the international theater school of Kuniaki Ida. Her career in dubbing began in 1997, and she has since become a prominent figure in Italian voice acting studios.

De Cesarei has lent her voice to a wide array of characters across numerous popular anime series. She is the Italian voice of Ermes Costello in JoJo's Bizarre Adventure: Stone Ocean and Fenneko in the first and later seasons of Aggretsuko. In the Sword Art Online franchise, she voices the Integrity Knight Sheyta Synthesis Twelve in Sword Art Online: Alicization - War of Underworld and its second part. Her other significant anime roles include the inventor Mei Hatsume in My Hero Academia, Perona in One Piece and its film Stampede, and Ai Shindō in City Hunter: Shinjuku Private Eyes. She also provided the voice for Dolores in Zone of the Enders: Idolo and Sheena in the Pokémon movie Arceus and the Jewel of Life. Her repertoire includes roles in long-running series such as Julie Makimoto in the Bakugan Battle Brawlers franchise and its sequels, Rein in Fushigiboshi no Futago Hime and Fushigiboshi no Futago Hime Gyu!, and Kawai Kawai in Iczelion. Further demonstrating her range, her filmography includes voicing Yukina in Yu Yu Hakusho: Ghost Files, Ofelia in Claymore, Rip Van Winkle in Hellsing Ultimate, and Tear in That Time I Got Reincarnated as a Slime.

Beyond anime, De Cesarei is also well-recognized for her work in video games, a field she has discussed in interviews. She is the Italian voice of the fan-favorite character Ashley Williams in the Mass Effect trilogy and has voiced numerous characters across the Assassin's Creed franchise, including Rebecca Crane. Her other notable video game roles include Cait in Fallout 4 and the Angel Guardiano in the Borderlands series.

De Cesarei has demonstrated recurring collaborations with specific dubbing studios and directors throughout her career in Milan, working with companies like Nexus Tv for productions such as JoJo's Bizarre Adventure: Stone Ocean. Her contributions to the industry also extend to teaching; since 2000, she has taught acting to children, teenagers, and adults at Manifatture Teatrali Milanesi and has instructed dubbing and diction at other institutions. Her body of work, which spans decades and includes a vast number of characters, highlights her versatility and her significant contribution to bringing Japanese animation and Western video game narratives to Italian audiences.