She took to her Twitter handle to debunk the rumour.
"6 people who know me well have called today congratulating me or surprised they weren't invited to my wedding,' Oprah tweeted, adding with emphasis: 'IT' s NOT TRUE!!" She tweeted.
On several occasions, the 61-year-old has made it clear that herself and Stedman are content with the nature of their relationship.
In 1991, Opray stated that she did not require a piece of paper to make her union with Stedman binding.
Only last year, she revealed that Stedman had popped the question several years ago, but she had never really felt good about getting married.
"The moment he asked me to marry him I was like: "Oh God, now I actually have to get married?
"What I realised is, I don't want to be married, because I could not have the life that I created for myself. I couldn't do it."
Oprah and Stedman started dating in 1986 are 30 years later, are still going strong.