Kwanza Constituency is an electoral constituency in Kenya. The constituency has four wards, all of which elect member of county assembly for the Trans-Nzoia County Assembly. It is one of five constituencies in Trans-Nzoia County. The constituency was established for the 1988 elections. After the promulgation of the new constitution in 2010, the larger constituency was split into two constituencies, and Endebess Constituency was created out of it.