Terencio Esteban Sierra Romero (16 November 1839 – 25 October 1907) was President of Honduras between 1 February 1899 and 1 February 1903.
Sierra was born in Coray, Valle, Honduras.
After studying in Comayagua he became a typographist in El Salvador before travelling through Central and South America as an accountant in the shipping industry.
He was a democratically elected President, his vice-president was General Jose Maria Reina Bustillo, co-founder of the Liberal Party.
Sierra's attempt to stay in office after the 1902 elections resulted in his overthrow by General Manuel Bonilla and exile to Nicaragua.