Kashmir Shaivism, or Trika Shaivism, is a nondualist tradition of Shaiva-Shakta Tantra which originated sometime after 850 CE. Since this tradition originated in Kashmir it is often called "Kashmiri Shaivism". It later went on to become a pan-Indian movement termed "Trika" (lit.

Shaivism is a major tradition within Hinduism with a theology that is predominantly related to the Hindu god Shiva. Shaivism has many different sub-traditions with regional variations and differences in philosophy. Shaivism has a vast literature with different philosophical schools ranging from nondualism, dualism, and mixed schools.