De Bruyne was an ambassador for the 2014 Special Olympics, which took place in Antwerp. He was involved in a controversial advertisement campaign, via his personal Instagram account. Employing the slogan (in Flemish): "Would you still be my fan if I looked like this?", De Bruyne was depicted resembling a person with Down syndrome.

He started to date Michele Lacroix in the year 2014. Kevin reportedly attacked a teammate who was having an affair with Michele Lacroix. The couple had a son 2 years later in 2016 and married in 2017. He also has a sister Stefanie De Bruyne. When he was playing under Belgian International, he was earning 5 million euro at Wolfsburg, however, now his salary is tripled. His salary at Manchester City FC is 16.2 million together with 3 million euro bonuses. His net worth is 30 million dollars.

He suffered an injury to his knee during a training session in August of 2018 leading to reports that speculated he would not be able to play for several months Manchester City confirmed that he had suffered a lesion of the lateral collateral ligament in his right knee. While they stated that no surgery was required they dis confirm that he was expected to not play for three months.

Kevin has had a very sucessfull carrer in sports. He is believed to have a net worth of over $9 million including all of his income and assets. He is popular among fans and well paid for his enorsments. Currently Kevin is the brand ambassador for Nike. Despite his sucess and wealth Kevin lives frugally and prefers to save his money.