K.K.K. stands for "Kataastaasan, Kagalanggalangang Katipunan ng mga Anak ng Bayan" also known as Katipunan or KKK, was a Philippine revolutionary society founded by anti-Spanish colonialism Filipinos in Manila in 1892; its primary goal was to gain independence from Spain through a revolution.
(Not to be confused with the KK Klan)