Kadia kshatriya / Kadiya are a Hindu sub-group of the caste, which are found only in Gujarat, India.^[1] They are among the Socially and Educationally Backward Classes of Gujarat State.^[2]

The Kadia kshtriya caste originated in the 1920s, when a group decided to break links with the , their parent caste and form a new distinct sub-group.^[3] Kadia are those who have taken to the occupation of Kadias, or masons.^[4] Remarriage of divorcees and widows is accepted in the Kadia society.^[4] Marriage between individuals of close relation is prohibited. They are mostly vegetarian in diet but some members, especially in South Gujarat, do eat non-vegetarian food.^[5]

Before India gained independence, the Kadia sub-group was largely concentrated in the territory of the former Baroda State,^[1] Bhavnagar State^[6] and in the Diu territory of Portuguese India.^[7] The first census of the community was taken in the year 1931.^[1] Presently, they are found spread in towns and districts like Vadodara, Amreli, Navsari, Kadi, Okha, Kodinar, Bhavnagar, and Mahuva, which towns were parts of these Princely States and Diu.^[7] The community living in Talaja, Bhavnagar call them Gurjar Kshatriya Kadia