Santa Rita do Tocantins is a municipality in the state of Tocantins, in the Northern region of Brazil. It is one of the state's many small municipalities, situated in the interior of Tocantins, a state created in 1988 from the northern portion of Goiás.
Like other municipalities in the region, it forms part of the local administrative structure of Tocantins, with its own municipal government and seat of local administration. The surrounding area belongs to Brazil's Cerrado biome, the tropical savanna that covers much of central and northern Brazil.