Janeth dos Santos Arcain (Portuguese pronunciation: [ʒaˈnɛtʃi dus ˈsɐ̃tuz aʁˈkɐ̃j], born April 11, 1969) is a Brazilian former professional women's basketball player.

A key piece of the Comets dynasty that included four championships from 1997 to 2000, Arcain had her best season in 2001, averaging 18.5 points per game en route to Most Improved Player and First Team All-WNBA honors.

[3] With the Brazil national team, Arcain won the FIBA World Championship for Women in 1994 and two medals in the Olympic Games: silver in 1996, and bronze in 2000.

[1] Arcain also finished fourth in 2004, where she became the highest-scoring female player ever of the Olympics with 535 points, a record broken in 2012 by Lauren Jackson.

[4] She decided to retire after two big events to be hosted in Brazil, the 2006 FIBA World Championship for Women (fourth) and the 2007 Pan American Games (silver).