| Titular See |
Rite/Type |
Bishop |
|
Dadima, Dadima
Dadimen(sis)
|
Roman |
|
|
Dadybra, Dadibra
Dadybren(sis)
|
Roman |
|
|
Dagnum, Dagno
Dagnen(sis)
|
Roman |
 Bishop Stefan Siczek
|
|
Daimlaig
Davligen(sis)
|
Roman |
Bishop Rutilio Del Riego Jáñez
|
|
Daldis, Daldis
Daldian(us)
|
Roman |
|
|
Dalisandus in Isauria, Dalisando di Isauria
Dalisanden(us) in Isauria
|
Roman |
|
|
Dalisandus in Pamphylia, Dalisando di Pamfilia
Dalisanden(sis) in Pamphylia
|
Roman |
|
|
Damascus, Damasco
Damascen(us)
Presently: Syria
|
Roman
Metropolitan See |
|
|
Damiata, Tamiathis
Tomiathian(us) Graecorum Melkitarum
|
Greek-Melkite
Archiepiscopal See |
 Archbishop Joseph Jules Zerey
|
|
Danaba, Danaba
Danaben(us)
|
Roman |
|
|
Dansara, Dausara, Dardania
Danaren(a) / Dausaren(a)
|
Roman |
Suppressed
|
|
Daonium, Daonio
Daonien(sis)
|
Roman |
|
|
Daphnusia, Dafnusia
Daphnusien(sis)
|
Roman |
|
|
Daphnutium, Dafnuzio
Daphnutien(sis)
|
Roman |
|
|
Dara, Dara
Daren(sis)
Presently: ruins of Dara
|
Roman
Metropolitan See |
|
|
Dara Syrorum, Dara
Daren(sis)
Presently: ruins of Dara
|
Syrian |
Archbishop Flavien Joseph Melki
|
|
Dardanus, Dardano
Dardan(ius)
|
Roman |
Bishop Oscar Cantú
|
|
Darnis, Darni
Darnitan(us)
|
Roman
Metropolitan See |
 Archbishop Paul-Mounged El-Hachem
|
|
Dascylium, Dascilio
Dascyleotan(us)
|
Roman |
|
|
Daulia, Daulia
Daulien(sis)
Presently: Greece
|
Roman |
|
|
Dausara, Dausara
Dausaren(us)
|
Roman |
|
|
Decoriana, Decoriana
Decorianen(sis)
|
Roman |
Bishop Jan Niemiec
|
|
Delcus
Delcen(sis)
|
Roman |
Suppressed
|
|
Demetrias, Demetriade
Demetracen(sis)
|
Roman |
|
|
Derbe, Derbe
Derbeus
|
Roman |
|
|
Dercos, Derco
Dercen(sis)
|
Roman
Archiepiscopal See |
|
|
Deultum, Deulto
Deulten(sis)
|
Roman |
Bishop Ignatius Anthony Catanello
|
|
Diana, Diana
Dianen(sis)
|
Roman |
Bishop Thomas Löhr
|
|
Diano
Dianen(sis)
Presently: Spain
|
Roman |
 Bishop Michael Pearse Lacey
|
|
Dibon, Dibona
Dibonen(sis)
|
Roman |
Suppressed
|
|
Dices, Dices
Dicen(sis)
|
Roman |
Bishop Ryszard Kasyna
|
|
Die
Dien(sis)
|
Roman |
United with Valence, France
|
|
Diocaesarea in Isauria, Diocesarea di Isauria
Diocaesarien(sis) in Isauria
|
Roman |
|
|
Diocaesarea in Palaestina, Diocesarea di Palestina
Diocaesarien(sis) in Palaestina
|
Roman |
|
|
Dioclea, Dioclea
Dioclean(us)
|
Roman |
|
|
Diocletiana, Diocleziana
Diocletianen(sis)
|
Roman |
Archbishop Lorenzo Baldisseri
|
|
Diocletianoplis in, Dioclezianopoli di Palestina
Diocletianopolitan(us) in Palaestina
|
Roman |
|
|
Diocletianoplis in Thebaide, Dioclezianopoli di Tebaide
Diocletianopolitan(us) in Thebaide
|
Roman |
|
|
Diocletianoplis in Thracia, Dioclezianopoli di Tracia
Diocletianopolitan(us) in Thracia
|
Roman |
|
|
Dionysiana, Dionisiana
Dionysianen(sis)
|
Roman |
Bishop Rudolf Schmid
|
|
Dionysias, Dioisiade
Dionysien(sis)
|
Roman |
|
|
Dionysiopolis, Dionisiopoli
Dionysiopolitan(us)
|
Roman |
|
|
Dioshieron, Dioshieron
Dioshieritan(us)
|
Roman |
|
|
Diospolis inferior, Diospoli inferiore
Diospolitan(us) inferior
|
Roman |
|
|
Diospolis in Thracia, Diospoli di Tracia
Diospolitan(us) in Thracia
|
Roman |
|
|
Diospolis superior, Diospoli superiore
Diospolitan(us) superior
|
Roman |
|
|
Diyum, Diu
Dien(sis)
|
Roman |
|
|
Doara, Doara
Doaren(sis)
|
Roman |
|
|
Doberus, Dobero
Doberitan(us)
|
Roman |
|
|
Docimium, Docimio
Docimen(sis)
|
Roman |
|
|
Doclea, Doclea
Docleen(sis)
|
Roman
Metropolitan See |
Archbishop Pier Luigi Celata
|
|
Dodona, Dodona
Dodonaeus
|
Roman |
|
|
Dol
Dolen(sis)
|
Roman
Metropolitan See |
United with Rennes, France
|
|
Dolia
Dolien(sis)
Presently: Italy
|
Roman |
Bishop Friedrich Ostermann
|
|
Doliche, Doliche
Dolichen(us)
|
Roman |
|
|
Dometiopolis, Domeziopoli
Dometiopolitan(us)
|
Roman |
|
|
Domitiopolis, Domiziopoli
Domitianopolitan(us)
|
Roman |
Suppressed
|
|
Domnach Sechnaill
Sancti Secundini in Dominica
Presently: Ireland
|
Roman |
|
|
Dora, Dora
Doritan(us)
|
Roman |
|
|
Dorostorum, Dorostoro
Dorostoren(us)
|
Roman |
|
|
Dorylaëum, Dorileo
Dorylaën(sis)
|
Roman |
|
|
Dragobitia, Dragobizia
Dragobitien(sis)
|
Roman |
|
|
Dragonara
Dragonarien(sis)
|
Roman |
 Archbishop Szczepan Wesoły
|
|
Draso
|
Roman |
Suppressed
|
|
Drivastum, Drivasto
Drivasten(sis)
|
Roman |
Archbishop Bruno Bertagna
|
|
Drizipara, Drizipara
Driziparen(us)
|
Roman
Archiepiscopal See |
|
|
Druas, Drua
Druen(sis)
|
Roman |
Bishop Wolfgang Kirchgässner
|
|
Drusiliana, Drusiliana
Drusilianen(sis)
|
Roman |
Bishop Yosyf Milan, M.S.U.
|
|
Druzipara
Druziparen(sis)
|
Roman |
Suppressed
|
|
Dumium, Dumio
Dumien(sis)
Presently: Portugal
|
Roman |
Bishop Carlos Francisco Martins Pinheiro
|
|
Dura, Dura
Duren(sis)
|
Roman |
Bishop Rafael Martínez Sáinz
|
|
Dusa, Dusa
Dusen(sis)
|
Roman |
|
|
Dystis, Disti
Dystien(sis)
|
Roman |
|
