Nature of mind (Sanskrit: cittatā or citta-dharmatā; Tibetan: སེམས་ཉིད་, semnyi; Wyl. sems nyid) may refer to:

  • Svasaṃvedana, the self-reflexive nature of consciousness in Buddhism
  • Mahāmudrā, the unity of awareness and emptiness in the Kagyu tradition of Gampopa