List of churches in the Roman Catholic Diocese of Santa Rosa in California

This is a list of current and former Roman Catholic churches in the Diocese of Santa Rosa in Northern California. The diocese is divided geographically into five deaneries as follows: Humboldt/Del Norte (Del Norte and Humboldt Counties); Mendocino/Lake (Lake and Mendocino Counties); Napa (Napa County); Sonoma North (northern Sonoma County); and Sonoma South (southern Sonoma County).