Eddie Hearn, Joshua's promoter, flew out to the United States last week for talks with WBC heavyweight champion Wilder's promoters over a unification fight.
Hearn has also been in touch with Joseph Parker over a potential fight with the WBO strap holder next year.
IBF and WBA champion Joshua is eager to do battle with Wilder, but only if the right deal can be struck.
Speaking courtesy of Sports Tonight/Dubai Eye 103.8, Joshua said when asked if the Wilder fight is the one he wants next year: "Yeah why not?