Roberto Vittori (born 15 October 1964 in Viterbo) is an Italian air force officer and an ESA astronaut. After graduating from the Italian Accademia Aeronautica in 1989, Vittori flew in the Italian Air Force. He then trained as a test pilot in the United States.
In 1998, Vittori was selected by the ESA to join the European Astronaut Corps. Since then, he has participated in three spaceflights: the Soyuz TM-34/33 and Soyuz TMA-6/5 taxi flights to the ISS, as well as STS-134, the penultimate mission of the American Space Shuttle Program. He was the last non-American to fly aboard the shuttle.