Mariana Ohata (born October 26, 1978) is an athlete from Brazil, who competes in triathlon.
In June 2009, Ohata tested positive for furosemide, a result confirmed by the "B" sample.
In October 2009, Ohata was banned from competition for six years, the minimum penalty for a second doping offence under ITU rules.
[3] As a result of the ban, she was unable to compete in her "home" Olympics in Rio de Janeiro.
This biographical article related to a Brazilian athlete known for competing in triathlons is a stub.