Enith Sijtje Maria Brigitha is a former leading competitive swimmer in the 1970s. She twice represented the Netherlands at the Summer Olympics, starting in 1972. She won two bronze medals at the 1976 Summer Olympics in Montreal, Quebec, Canada, in the women's 100 m and 200 m freestyle. Brigitha twice was named 'Dutch Sportswoman of the Year', in 1973 and 1974. She was the first black athlete to win a swimming medal in the Olympics.

The 1976 Summer Olympics were held in Montreal, Quebec, Canada; 26 events in swimming were contested. There was a total of 471 participants from 51 countries competing.