Esteban Oertli is a Belgian-based voice actor who has become a prominent figure in Francophone dubbing, providing the French voices for a wide range of characters in anime and video games. He is the son of fellow voice actor Stéphane Oertli, and both are active in the dubbing industry in Belgium.

Oertli has built an extensive filmography in anime, lending his voice to numerous series. He is known for his role as Makoto Shibe in the suspense anime Tomodachi Game. In the fantasy comedy The Devil Is a Part-Timer!, he voices the character Hanzō Urushihara, known in the French version as Lucifer. His other notable anime roles include Abyss Razor in Mashle: Magic and Muscles, Joe in Gamera: Rebirth, and Tōka Scott in The Legendary Hero is Dead. He also contributed to the animated film The Secrets of My Father, voicing the character Michel Kichka as a young boy.

Beyond anime, Oertli's voice work extends to major video game and film productions. He is widely recognized for his portrayal of Atreus in the French version of the critically acclaimed video game God of War Ragnarök. He also voiced the LEGO Spider-Man character in the animated film Spider-Man: Across the Spider-Verse and took on the role of Seita in a new dubbing of the classic Studio Ghibli film Grave of the Fireflies. His involvement in high-profile projects like the upcoming video game Death Stranding 2 further highlights his standing as a rising and sought-after talent in the world of Francophone dubbing.