Maitumelo Sedilame Boseja (born 1 December 1997), nicknamed Tsontso,[3] is a Motswana footballer who plays as a goalkeeper for Mamelodi Sundowns Ladies F.C.

[2] Having only played a single league game for Double Action, South African team Bloemfontein Celtic Ladies signed Boseja on a three-year deal.

[7] They won the 2017 Sasol League National Championship with Boseja named goal keeper of the tournament.

[4] The injury ruled her out of Sundowns' run to win the inaugural CAF Women's Champions League, but as a registered squad member for the tournament, she still received a winner's medal.

[11] In 2015, Boseja represented Botswana in qualifying for the 2016 FIFA U-20 Women's World Cup, losing 9–1 on aggregate to South Africa over two legs.