The 'Scandal' actress reportedly wed the San Francisco 49ers cornerback, 31, on June 24, reported E! Online.
A source close to the 36-year-old star confirmed the low-key couple are now married after the news first appeared on a sports gossip website.
"We just received word that actress Kerry Washington has married NFL player Nnamdi Asomugha. Kerry and Nnamdi have been dating since Summer 2012," the website read.
The 'Django Unchained' star split from her fiance David Moscow in 2007 after several years together and has been incredibly private about her love life since.
"I'm the daughter of a professor, so ... Well, I think acting's not a real job. I come from this sort of academic, working middle-class family where you make something respectable of your life... I always loved acting, but I think for a long time, in my brain, the desire to be an actor was equivalent to the desire to be famous," she had said.