K.St.G.G. means Knight, Order of Saint Gregory the Great in
Religion
Similar to K.St.G.G.
ABY - American Baptist Youth
AC - After Creation
AC - Abhay Charanaravinda, Swami
AC - Anti Christ
AC/DC - Anti-Christ Devils Children
ACAP - Atlanta Christian Apologetics Project
ACAP - Adventist Composers, Arrangers, and Poets
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