Siwalkhas Assembly constituency is one of the 403 constituencies of the Uttar Pradesh Legislative Assembly, India. It is a part of the Meerut district and one of the five assembly constituencies in the Baghpat Lok Sabha constituency. First election in this assembly constituency was held in 1974 after the "Delimitation Order, 1967" was passed and the constituency was constituted in 1967. The constituency is assigned identification number 43 subsequent to the "Delimitation of Parliamentary and Assembly Constituencies Order, 2008".