Rukirabasaija Kazana Ruhaga was Omukama of the Tooro Kingdom, Uganda from around 1865-1866. He was the second (2nd) Omukama of Tooro and was a member of the Babiito dynasty. He was succeeded by Nyaika Kyebambe I who ruled from 1866-1871 during a significant period of political instability in the Bunyoro Kitara Empire.
He was the third son of Olimi I of Tooro (Kaboyo Olimi I), Omukama of Tooro between 1822 and 1865. He ascended the throne upon the death of his father in 1865.
Not much is known about the married life of Omukama Ruhaga Kazana.
There is no record available as to who were the children of Omukama Ruhaga.
Omukama Ruhaga was murdered by his brother, Kasunga Kyebambe Nyaika, in 1866. Nyaika then seized the throne and became the Omukama.