Mariama Mamoudou Ittatou (born July 23, 1997) is a Nigerien sprinter. She competed at the 2016 Summer Olympics in the women's 400 metres event; her time of 54.32 seconds in the heats did not qualify her for the semifinals. She was also scheduled to represent Niger at the 2014 Summer Youth Olympics but she did not start at the girls' 800 metres event.