Siddhpur, also spelled Sidhpur, is a town, municipality and headquarter of Sidhpur taluka in Patan district, in the Indian state of Gujarat. It is a historical place located on the bank of the endorheic Saraswati River, which is probably a remaining of the ancient Sarasvati River.

Patan district is one of the 33 districts of Gujarat state in western India. Its main city is Patan. This district is located in northern Gujarat and bounded by Banaskantha district in the north and northeast, Mehsana district in the east and southeast, Surendranagar district in the south and Kutch District and the Kutch nu Nanu Ran in the west. The district occupies an area of 5792 km2.