The fourth season of Portuguese The Voice Kids is a talent show broadcast on RTP1, which premiered on 9 April 2023. Carlão and Fernando Daniel returned for their third seasons as coaches, while Bárbara Tinoco returned for her second. In the meantime, Carolina Deslandes was replaced by former The Voice Portugal coach, Aurea. Catarina Furtado continues to host the show, however, was replaced by Catarina Maia as the backstage presenter.
Júlia Machado won the competition, marking Fernando Daniel's third consecutive win as a coach. Machado's victory makes Daniel the only coach in all versions of the Portuguese show to win three consecutive seasons. Additionally, her victory marks the second time a stolen artist has won The Voice Kids. The first time this occurred was with Simão Oliveira's victory, who was also from Team Fernando, in the . Just like in the previous two seasons, The Voice Kids was the program used to select the Portuguese artist that would represent the country in the Junior Eurovision Song Contest 2023.
Same as the previous season, in the blind auditions (Provas Cegas), each coach was given two blocks to use and prevent another coach from pitching for the artist. The block buttons could be used at any time. At the end of the blind auditions, Carlão did not use his second block.
In the battles (Batalhas), each coach can steal one losing artist from another team battle.