Rita Riana Williams (born 15 August 1979) is a Namibian footballer who plays as a forward for the Namibia women's national team.
She was part of the team at the 2014 African Women's Championship.
She played for Beauties F.C. in the Namibia Women's Super League and was the oldest player at the 2025 COSAFA Women's Champions League at 46 years old.
Williams was part of the players when the Namibia women's national team played their first international against South Africa in 2003.
She scored Namibia's first goal at the Women's Africa Cup of Nations in 2014.