Arno
- Born
- 7 July 2002 (24 years)
- Place of birth
- Shenzhen, Guangdong, China
- Gender
- Male
Zhāng Jiāháo, known professionally as Arno, is a Chinese singer under CHROMOSOME and Nouer Entertainment. He is a member of the project boy group ALPHA DRIVE ONE, formed through the 2025 reality competition show Boys II Planet.
