Douglas will be joined by her gymnastics teammates Jordyn Wieber, McKayla Maroney, Aly Raisman and Kyla Ross on the morning programme, broadcaster NBC has confirmed.
Douglas took home the gold medal in the all-around competition at the London games, while she and her team became the second U.S. women's gymnastics team to earn gold at the Olympics.
Former Dancing with the Stars contestant Solo won a gold medal against Japan along with her women's soccer team on Thursday (August 9).
Other Olympic athletes in the USA team who will be special Today contributors this week include gold medal-winning diver David Boudia, track and field sprinter Allyson Felix and swimmers Cullen Jones and Katie Ledecky.
The London 2012 Olympics ended on Sunday (August 12) with acts including the Spice Girls and The Who performing at the Closing Ceremony.
Today airs weekdays at 7am ET/PT on NBC.
Photo gallery - Highlights of the London 2012 Olympic Games:
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