Nafissatou "Nafi" Thiam (French pronunciation: ?[t?am]; born 19 August 1994) is a Belgian athlete specializing in multi-event competition.
She was born in Brussels to a Belgian mother and a Senegalese father.
As of April 2019, Thiam holds the Belgian record in women's heptathlon and women's Javelin and in August 2019 she secured the Belgian women's long jump record.
She won the gold medal in the heptathlon at the 2016 Summer Olympics, 2017 World Championships and the 2018 European Championships.
She was voted IAAF World Athlete of the Year in 2017.