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| Buffalo Church of the Brethren | | — | 104 Main Street, Buffalo, IN 47925 | — | |
| Buffalo Community Assembly-God | | — | 206 2nd Avenue Northeast, Buffalo, MN 55313 | — | |
| Buffalo Community Church | | — | — | — | |
| Buffalo Community Church | | — | — | — | |
| Buffalo Cove Baptist Church | | — | — | — | |
| Buffalo Covenant Church | | — | — | — | |
| Buffalo Creek Community Church | | — | 520 11th Street East, Glencoe, MN 55336 | — | |
| Buffalo Dream Center | | — | 286 Lafayette Avenue, Buffalo, NY 14213 | — | |
| Buffalo Evan United Brethren | | — | — | — | |
| Buffalo Evangelical Free Church | | — | 2051 50th Street Northeast, Buffalo, MN 55313 | — | |
| Buffalo Flats Church of Christ | | — | Greenpoint Road, KuGompo City | — | |
| Buffalo Flats New Apostolic Church | | — | Dunoon Road, KuGompo City | — | |
| Buffalo Flats Old Apostolic Church | | — | April Crescent, KuGompo City | — | |
| Buffalo Friends Church | | — | — | — | |
| Buffalo Grass Church | | — | — | — | |
| Buffalo Grove Church | | — | — | — | |
| Buffalo Grove Church | | — | — | — | |
| Buffalo Hart Church | | — | — | — | |
| Buffalo Lake Church | | — | — | — | |
| Buffalo Lick Church | | — | — | — | |
| Buffalo Mountain Church | | — | — | — | |
| Buffalo Prairie Church | | — | — | — | |
| Buffalo Prairie Presbyterian Church | | — | — | — | |
| Buffalo Presbyterian Church | | — | 803 16th Street | — | |
| Buffalo Presbyterian Church | | — | 134 Calder Avenue Northeast, buffalo, MN 55313 | — | |
| Buffalo Presbyterian Church | | — | — | — | |
| Buffalo Presbyterian Church | | — | — | — | |
| Buffalo Primitive Baptist Church | | — | — | — | |
| Buffalo Ridge Baptist Church | | — | 197 Suncrest Street, Gray, TN 37615 | — | |
| Buffalo Ridge Church | | — | — | — | |
| Buffalo Ridge Church | | — | — | — | |
| Buffalo Springs Baptist Church | | — | 8025 Turnpike Road, Raeford, NC 28376 | — | |