Manuel Guillermo Pinto (1783 – June 28, 1853) was an Argentine general and lawmaker. Pinto was born in Buenos Aires, and studied at the Royal College of San Carlos. He completed further studies in Spain, but returned to fight during the British invasions of the Río de la Plata, in 1807. He was among the signatories to the Cabildo abierto that voted in favor of Independence on May 22, 1810, and fought during the Argentine War of Independence in various auxiliary posts, reaching the rank of Colonel in 1815.