Talking in front of an audience at Techonomy, an innovation gathering in California, Mr Zuckerberg said Facebook ought not be considered dependable.
"The possibility that fake news on Facebook affected the race in any capacity is an entirely insane thought," he said.
"On the off chance that you trust that then I don't think you have disguised the message Trump supporters are attempting to send in this race."
A few information has demonstrated that fake stories were being much more broadly shared on the stage than follow up stories exposing the cases.
For an expanding number of individuals, especially Americans, Facebook is turning into the essential wellspring of news scope.
The site's News Feed is particularly intended to show clients content it supposes will be of most enthusiasm, making what some portray as a "channel air pocket" that strengthens a man's view without infusing contrasts in supposition.
'Work to do'
Not long ago, Facebook was blamed for being hostile to Trump after it was charged its human mediators were favoring liberal stories from showing up in individuals' "slanting stories" box.
While denying that claim, the site sacked its human group, rather depending exclusively on a calculation to figure out which stories were appeared to be generally well known.
As an outcome, stories which were later demonstrated totally false showed up on the courses of events of countless.
At the point when gotten some information about balanced governance expected to stay with a like Facebook in line, Mr Zuckerberg said it was in regards to "listening to what individuals need".
"My objective, and what I think about, is giving individuals the ability to share so we can make the world more open and associated. That requires building a decent form of News Feed. Regardless we have work to do on that. Will continue enhancing it.
"On the group rules, I think as standards change and individuals need to see more news, I think we'll need to keep on evolving the rules to mirror the esteem that the group holds."
At a similar occasion, Mr Zuckerberg offered a hopeful perspective of Mr Trump's administration, saying that his objectives of enhancing worldwide medicinal services and network did not really require the co-operation of government.
"Insane" to state Facebook bested win - Zuckerberg