The Roman Catholic Diocese of Buenaventura (Latin: Bonaventuren(sis)) is a Latin suffragan diocese in the ecclesiastical province of Cali in Colombia, yet depends on the missionary Roman Congregation for the Evangelization of Peoples.

Its cathedral episcopal see is Catedral de San Buenaventura, dedicated to Saint Bonaventura, in the city of Buenaventura, Valle del Cauca Department.

As per 2014, it pastorally served 434,000 Catholics (98.0% of 443,000 total) on 6,633 km² in 21 parishes and 84 missions with 38 priests (25 diocesan, 13 religious), 24 lay religious (13 brothers, 11 sisters) and 7 seminarians.

(all Roman rite) So far, the diocese had no auxiliary bishops.

This article on a Roman Catholic diocese in Colombia is a stub.