Ratu Dau (born 6 May 2000) is a Fijian footballer who plays as a forward for Fijian club Ba and the Fiji national team.
Dau started his career in the youth of Tavua.
In 2018 Dau was called up by coach Christophe Gamel for the Fiji national football team.
He made his debut on July 5, 2018, in a 1–0 loss against Malaysia.
This biographical article related to Fijian association football is a stub.