Dablon, Claude
Dacier, André
Dacier, Anne
Dagon
Daguesseau, Henri-François
Dalberg, Adolphus von
Dalgairns, John Dobree
Dalley, William Bede
Dalmatic
Dalton, John
Damascus
Damasus I, Saint, Pope
Damien, Father
Damietta
Dan
Danaba
Dance of Death
Dancing
Daniel
Dante Alighieri
Dantine, Maurus
Da Ponte, Lorenzo
Darboy, Georges
Dardanus
Dardel, Jean
Darerca, Saint
Dareste de la Chavanne, Antoine-Elisabeth
Darnis
Darrell, William
Dates and Dating
Daubrée, Gabriel
Daulia
D'Avenant, Sir William
David, Saint
David, Armand
David, Gheeraert
David, King
David Scotus
Davies, William Ven.
Dávila Padilla
Dawson, Æneas McDonnell
Day, George
Day, John Charles, Sir
Deaconesses
Deacons
Dead, Prayers for the
Dead Sea
Dean
Dean, William, Ven.
Dease, Thomas
Death, Preparation for
Debbora
Debt
Decalogue
Decapolis
Decius
Devil
Devil Worship
Dialectic
Diana, Antonino
Diano
Diarmaid, Saint
Dias, Bartolomeu
Diaspora 
Dionysius, Pope Saint
Diplomatics, Papal
Diptych 
Doctors, Surnames of Famous 
Doctrine, Christian
Doctrine of Addai
Dogma
Dogmatic Fact
Dolbeau, Jean
Dolci, Carlo
Döllinger, Johann Joseph Ignaz von
Dolores Mission
Dolphin
Domenechino
Domesday Book
Domicile
Dominic, Saint
Dominical Letter
Dominici, Blessed Giovanni
Dominis, Darco Antonio de
Domitian
Domitiopolis
Domnus Apostolicus
Donahoe, Patrick
Donatello Di Betto Bardi
Donatists
Donatus of Fiesole
Donnan, Saint
Dora
Dorothea, Saint
Dorsey, Anne Hanson
Dositheans
Douay Bible
Doubt
Douglas, Gavin
Doutreleau, Stephen
Dove
Dowdall, James
Downside Abbey
Doxology
Doyle, John
Doyle, Richard
Drach, David Paul
Drachma
Dreams, Interpretation
Dreschel, Jeremias
Druidism
Drusilla
Drusipara
Druzbicki, Gaspar
Druzes