Oscar Schwartau (born 17 May 2006) is a Danish professional footballer who plays as an attacking midfielder for EFL Championship club Norwich City.

On 17 May 2022, Schwartau signed a three-year contract with Brøndby IF which tied him to the club until the summer 2025.

[3] He made his professional debut on 17 July 2022 in the season opener of the Danish Superliga against AGF at the age of 16 years and 61 days.

[5] On 14 August, he scored his first goal in a 2–0 win against OB becoming the club's youngest league goalscorer, and second-youngest overall in Danish Superliga.

[7] The fee was undisclosed, but reported to be £2 million with Brøndby retaining a 15% sell-on clause.