The newly appointed Red Devils manager calls his Blues counterpart a "friend" and says he will not be "falling out" with any Premier League opponents this season.
The Dutchman, newly installed at Old Trafford, indicated Saturday that he would talk to his Blues counterpart about his comments on the Red Devils' signing of Luke Shaw.
Mourinho is well known for playing mind games with his rivals. While Van Gaal himself is an outspoken figure, the 62-year-old does not expect any wars of words with the Portuguese.
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"I don't think I will fall out with him. Mourinho is my friend," he told reporters. "I don't think I will fall out with all the other managers. I have full respect for all my colleagues. For me, mind games are not so interesting. I have to manage my club. That is already difficult enough. I am not concerned with other clubs or other managers."
United and Chelsea will meet for the first time in 2014-15 at Old Trafford on Oct. 26.