Trump made the comments to a group of reporters who were meeting with White House chief of staff John Kelly at the White House.
"I am looking forward to it, actually," Trump said, when asked if he was going to talk to Mueller. "Here is the story: There has been no collusion whatsoever. There is no obstruction whatsoever. And I am looking forward to it."
Trump later said he would do the interview under oath.
"I would do it under oath. I would do it," he said, later adding, "I would do it under oath, yeah."