The 22-year-old has scored 21 goals and registered 15 assists in 50 appearances for his current club, having spent time on loan in Belgium before arriving on a permanent deal from Ajax.
Lang has been in impressive form at club level this season, meanwhile, scoring four goals and contributing four assists in 13 outings in all competitions.
According to Gazzetta dello Sport, AC Milan are interested in the attacker, but Arsenal are also believed to be ready to explore the possibility of bringing him to the Premier League.
The report claims that any potential suitor will need to make an offer of around €40m (£34m) to tempt Brugge into parting with the Dutchman in 2022.
Lang, who is capable of playing in a number of different positions in the final third of the field, has a contract with his Belgian side until June 2025. body check tags ::