Manuel Bulnes Prieto (December 25, 1799 – October 18, 1866) was a Chilean military and political figure. He was twice President of Chile, from 1841 to 1846 and from 1846 to 1851.Born in Concepción, he served as the president of Chile between 1841 and 1851. At the age of 16 he was imprisoned as a revolutionary by the Spanish authorities, but was soon released, and in 1818 joined the army of San Martin under whom he served as colonel throughout the Chilean War of Independence.