Hadauti or Harauti (Hadoti) is an Indo-Aryan language of Rajasthani languages group spoken by approximately four million people in the Hadoti region of southeastern Rajasthan, India.

Its speakers are concentrated in the districts of Kota, Baran, Bundi and Jhalawar in Rajasthan, as well as in neighbouring areas of Madhya Pradesh.

It belongs to the Central-Eastern Rajasthani subgroup of the Indo-Aryan family, as classified by Grierson and Doshi & Purohit.

It was included in the Indian Census until 1961, and was classified as one of the mother tongues grouped under Hindi along with Rajasthani language.

According to Grierson's Linguistic Survey of India, Hadauti is spoken in the districts of Kota, Baran, Bundi and Jhalawar in Rajasthan, as well as in neighbouring areas of Madhya Pradesh.