Siddha is a Sanskrit term meaning "one who is accomplished"; has mastered, or has mastery over pure consciousness/knowledge (chit). Siddhar; Chittar, a variant English spelling

Siddha may refer to:

Siddha, in Hinduism and Jainism, a person who has attained a high level of spiritual enlightenment Siddha Yoga, a spiritual path in Hindu traditions Siddha medicine, a form of South Indian, Tamil traditional medicine

Places Siddha, Gandaki, a town in Nepal Siddha, Janakpur, a town in Nepal

See also Siddham (disambiguation) Sidh (disambiguation) Siddi (disambiguation) Sidi (disambiguation) Siddhartha (disambiguation) Siddhanta, settled doctrine in Indian philosophy Chittar (disambiguation) Mahasiddha, a term for someone who embodies and cultivates siddhi of perfection