Harshnath Temple (Sanskrit: हर्षनाथ् Harṣanātha) is an ancient Hindu temple dedicated to Lord Shiva which is situated in the Sikar district of the Indian state of Rajasthan.

[1] This Shiva temple, according to an inscription dated 973 CE, was built by the Shiv ascetic Bhavarakta, during the reign of Chahamana king Vigraharaja I.

[citation needed] Exactly same type of temple also situated at Harsh Village, Bilara Harsh Deval Temple, Dist Jodhpur, Rajasthan.

Harsh Deval Temple at Bilara was also built in 10th century.

On the inside west wall is carved a figure of standing Parvati [labelled Vikata] in panchagnitap along with her female attendants.