Atanasio Bello Montero (born in Caracas) was a nineteenth-century Venezuelan composer and music educator.
Montero trained under Pedro Palacios y Sojo and founded an academy for music in Caracas with Luís Jumel in 1821.
With José María Izáza he founded a philharmonic society in the same city in 1831.
From 1834 he directed a music education institution founded by the Sociedad Económica de Amigos del País, and he founded Bogota's first opera company in 1847.
[1] As a composer he is best known for his 1842 Vigil and Mass of the Dead, which were performed upon the transfer of Simon Bolivar's ashes to Caracas.