Trailanga Swami (also Tailang Swami, Telang Swami) (reportedly 27 November 1607– 26 December 1887), whose monastic name was Swami Ganapati Saraswati, was a Hindu yogi and mystic famed for his spiritual powers who lived in Varanasi, India. He is a legendary figure in Bengal, with stories told of his yogic powers and longevity.

According to some accounts, Trailanga Swami lived to be 280 years old, residing at Varanasi between 1737 and 1887. He is regarded by devotees as an incarnation of Shiva. Sri Ramakrishna referred to him as “The walking Shiva of Varanasi”.