Anton Martin Mendo (born February 22, 1999), professionally known as star boy, is a record producer and recording artist from Amsterdam, Netherlands. He is known for his production for Playboi Carti, Ken Carson, Lil Uzi Vert, Yeat, Trippie Redd, and Lil Keed, among others.

In 2019, star boy and frequent collaborator Outtatown founded and curated HYPERPOP: their production group based in Tokyo, Japan. In 2022, however, the two abandoned the group and formed their new collective, ADRENALINE.