The Diocese of Borgå (Swedish: Borgå stift, Finnish: Porvoon hiippakunta) is a diocese for the Swedish-speaking minority of Finland.

It is a part of the Evangelical Lutheran Church of Finland.

Porvoo (Borgå in Swedish) is also the old seat of the present-day (Finnish-speaking) Diocese of Tampere.

All the Swedish-speaking parishes and dominantly Swedish-speaking bilingual parishes of the church belong to the diocese, regardless of their location.

Gemeinde in Finnland) is the parish for the German-speaking minority of Finland, while the rikssvenska parish consists of Swedish citizens living in Finland.