Octavio Zambrano Viera (born February 3, 1958) is an Ecuadorian/American soccer coach who is currently manager of Colombian Primera A club Independiente Medellín.
He is a former player with international coaching experience.
Zambrano has coached in North America, Latin America, and Europe.
He holds a UEFA "A" diploma and a USSF "A" coaching license.
Zambrano was a successful coach in Major League Soccer during the late 1990s and early 2000s.
His .587 regular season winning record ranks second to Bruce Arena's .604, according to the 2015 MLS facts and record book.