Ekambaranathar Temple or Ekambareswarar Temple is a Hindu temple dedicated to Shiva, located in Kanchipuram in the state of Tamil Nadu, India. The temple is the largest temple in the town of Kanchipuram and is located in the northern part of the town. The temple gopuram (gateway tower) is 59m tall, which is one of the tallest gopurams in India.

It is one of the five major Shiva temples or Pancha Bootha Sthalams (each representing a natural element) representing the element - Earth. The other four temples in this category are Thiruvanaikaval Jambukeswara (water), Chidambaram Natarajar (Sky), Thiruvannamalai Arunachaleswara (fire) and Kalahasti Nathar (wind). It is one of the 275 Paadal Petra Sthalams, where all of the four most revered Nayanars (Saivite Saints) have sung the glories of this temple. The temple is one of the most prominent tourist attractions in the city.

The temple covers an area of over 23 acres (93,000 m2). Reaching a height of 59 meters, the temple's Raja gopuram (the entrance tower to the temple) is one of the tallest in South India. One notable feature of the temple is the Aayiram Kaal Mandapam, or the "hallway with a thousand pillars", which was built by the Vijayanagar Kings. The temple's inner walls are decorated with an array of 1,008 Siva lingams. The campus is 25 acres with 5 prakarams (or courtyards) and has a thousand-pillared hall. Kampai Tirtha, the temple tank is believed to have an underground holy river. The fourth courtyard contains a small Ganesha temple and a pond. The third courtyard contains lot of smaller shrines. The sanctum sanctorum contains the lingam along with the image of Shiva.

There is no separate shrine for Parvati within the complex as with other Shiva temples in Kanchipuram. A local belief is that Kamakshi Amman Temple is the consort for Ekambaranathar. There is a small shrine for Vishnu named Thiru Nilaaththingal Thundathan inside the temple complex. Vishnu is prayed as Vamana Murthy and the shrine is hailed by