Tomelloso is a municipality in the province of Ciudad Real, Castile-La Mancha, Spain. It has a population of 33,548 (2005).

Main sights include:

• Posada de los Portales (late 17th century)
• Town Hall, rebuilt in 1904
• Church of the Asunción de Nuestra Señora (16th century)
• Museum Antonio López Torres