Denis Ssebuggwawo (1870-25 May 1886) is a Ugandan Catholic martyr and saint.

Ssebuggwawo and his twin brother Kato became catechumens and were instructed by Saint Joseph Mukasa Balikuddembe.

[2] He was baptized on 16 November 1885 by Père Simon Lourdel, M.Afr., also known as Fr.

[3] He was tortured and speared by King Mwanga II, for teaching his faith to Mwafu, the chancellor's son, before handing him over to executioner Mpinga Kaloke on the evening of 25 May 1886.

[2][3] On the morning of 26 May 1886, Mpinga ordered his two men, Matembe and Mulyowa, to hack the body of the boy into pieces.