Reims has earned only eight points from its opening 10 league games yet held leader Paris Saint-Germain to a goalless draw last week.
Reims said in a statement that Garcia was fired ``in view of the results, which fell short of the expected goals, and in order to protect the best interests of the institution.``
Deputy coach William Still has been appointed as caretaker.
Garcia, a former coach of Barcelona's youth teams, joined Reims in June 2021 on a three-year deal.
He became the fourth French league coach to be fired this season after Lyon's Peter Bosz, Brest's Michel Der Zakarian and Auxerre's Jean-Marc Furlan.
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