Joseph-Claude Agyeman Gyau (born September 16, 1992) is an American professional soccer player who plays as a winger for USL Championship club Las Vegas Lights.

Gyau made his Debut for the first team in a DFB pokal match against Greuther Furth in 2011 at the young age of 19.

[4] He made his League debut for Hoffenheim in April 2014, coming on in the final 21 minutes of a 0–0 draw against Eintracht Frankfurt.

[6] On September 24, 2014, he made his first team debut for Borussia Dortmund against VfB Stuttgart, coming on in the 74th minute of the match which ended in a 2–2 draw.

[11] On August 8, 2019, it was announced that Gyau had signed for Major League Soccer side FC Cincinnati.

After playing less than 15 minutes, he came off the pitch with a suspected sprained left knee and was replaced by Bobby Wood.

[18] In June 2019, Gyau made his first United States national team appearance since 2014 in a friendly match against Jamaica.