Tophace Byagira Kaahwa, (born 1 September 1974), is a teacher and politician in Uganda, who serves as the country's ambassador to Japan.

[2] Kaahwa was born in Hoima District, in the Western Region of Uganda, on 1 September 1974.

In 2013, she received a Masters of Education, Planning and Management degree from the Uganda Christian University, in Mukono District.

[2] From 2006 until 2010, she served as a tutor at Bulera Core Primary Teachers' College, where she was the Acting Deputy Principal in 2008.

She contested and won the National Resistance Movement political party primary against the two-term incumbent Beatrice Byenkya, in the Hoima District Women's Constituency.