Volta Redonda () is the name of a municipality in the Rio de Janeiro state of Brazil with an area of 182.81 km², located from 350m to 707m above the sea level (22º31'23" S, 44º06'15" W) and with a population of 273,988 inhabitants (estimated in 2020). The area around the city has nearly 700,000 km². Its name (which is Portuguese for "Round Turn") is due to the round shape of a curve in the Paraíba do Sul river around which the city was built.