Aldo Geraldo Manuel Monteiro (born 30 November 1994), known as Kadú, is an Angolan professional footballer who plays for Portuguese club F.C.

He moved to Portugal in his early teens, playing for four youth clubs and finishing his formation with FC Porto, who also loaned him to Padroense F.C.

[2] The following 12 May, in the last day of the season and as the side had already been crowned national champions, he made his Primeira Liga debut as a replacement for the same player in a 5–2 away win against Rio Ave FC.

[3] In August 2015, after two full seasons with the reserves in the Segunda Liga, often as starter, Kadú joined Varzim S.C. of the same league on loan.

[8] He only made his debut one year later, however, replacing Hugo Marques who had just been diagnosed with COVID-19 prior to the 0–1 home loss to Libya for the 2022 FIFA World Cup qualifiers.