Amarildo Aparecido de Souza Junior (born 19 January 1999), known simply as Amarildo, is a Brazilian professional footballer who plays for V.League 1 team PVF-CAND.
Amarildo began his career in the youth ranks of São Paulo. During March 2017 he signed with Red Bull Brasil joining the under 20 side. On 15 August 2018 Amarildo made his first team debut with Red Bull Brasil, appearing in a 1-0 victory over Noroeste in the Copa Paulista.
On 15 March 2019 Amarildo joined New York Red Bulls II on loan from Red Bull Brasil.
In July 2021, he joined Portuguese Primeira Liga club Famalicão.
In August 2024, Vietnamese side The Cong-Viettel announced their signature of Amarildo to the team.