Tiffin
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- Anchored in Faith Gospel ChurchBönehus
- Bascom United Methodist ChurchMetodister och helgelserörelsen · Kyrka
- Bloomville United Methodist ChurchMetodister och helgelserörelsen · Bönehus
- Christian and Missionary Alliance ChurchKyrka
- Church of the BrethrenBönehus
- Ebenezer United Methodist ChurchMetodister och helgelserörelsen · Bönehus
- First Baptist ChurchBaptister · Bönehus
- First Lutheran ChurchLutheraner · Bönehus
- First Presbyterian ChurchReformerta och presbyterianer · Kyrka · 96 South Monroe Street
- Fort Seneca Community United Church of ChristBönehus
- Grace United Methodist ChurchBönehus
- Harmony ChurchBönehus
- Honey Creek ChurchBönehus
- Hopewell ChurchKyrka
- Kingdom Hall of Jehovahs WitnessesÖvriga restorationister · Bönehus
- Melmore United Methodist ChurchMetodister och helgelserörelsen · Bönehus
- Memorial ChurchKyrka
- Old Trinity Episcopal ChurchBönehus
- Pleasant Ridge ChurchBönehus
- Redeemer Lutheran ChurchLutheraner · Kyrka · 2467 State Route 231
- Saint Johns ChurchBönehus
- Saint Johns United Church of ChristKyrka
- Saint Joseph Catholic ChurchKatoliker (latinsk rit) · Kyrka · 36 Melmore Street
- Saint Marys Catholic ChurchKatoliker (latinsk rit) · Bönehus
- Saint Marys ChurchBönehus
- Saint Patricks Catholic ChurchKatoliker (latinsk rit) · Kyrka
- Saint Paul's Methodist ChurchMetodister och helgelserörelsen · Kyrka · 46 Madison Street
- Saint Peters Catholic ChurchKatoliker (latinsk rit) · Bönehus
- Second Evangelical and Reformed United Church of ChristBönehus
- Shiloh ChurchBönehus
- St. Peter's Catholic ChurchKatoliker (latinsk rit) · Bönehus
- Tiffin Apostolic ChurchBönehus
- Trinity United Church of ChristKyrka
- United Methodist ChurchMetodister och helgelserörelsen · Bönehus
- Veritas Church of Iowa CityBönehus
- Washington Street United Methodist ChurchMetodister och helgelserörelsen · Kyrka
- Windham ChurchBönehus