João Gabriel Martins Peglow (born 7 January 2002) is a Brazilian professional footballer who plays as an attacking midfielder for Major League Soccer club D.C. United.

Born in Porto Alegre, Rio Grande do Sul,[2] Peglow joined Internacional's youth setup in 2011, aged just nine.

[5] He made his senior debut on 25 July, coming on as a second-half substitute for Marcos Guilherme in a 1–1 Campeonato Gaúcho away draw against Esportivo.

[6] On 14 July 2021, Peglow joined Liga Portugal 2 side Porto B on a season-long loan deal with an option to buy.

[9] On 16 December 2024, Peglow moved to Major League Soccer side D.C. United on a three-year deal, with an option for another year.