Names starting with C
- Cadfan
- Cadfarch
- Cadoc
- Caesar
- Caesaria
- Caesarius
- Cainnech
- Caius
- Cajetan
- Caldéold
- Calepodius
- Calétric
- Calimerius
- Callinicus
- Callisto
- Callixtus
- Callwen
- Calminius
- Calocerus
- Calogerus
- Calupan
- Calvus
- Camelle
- Camila
- Camilla
- Camille
- Camillus
- Candida
- Cándido
- Candidus
- Candlemas
- Canius
- Canna
- Canus
- Canute
- Caoimheall
- Caomhán
- Capito
- Caprasius
- Caradoc
- Carantoc
- Caridad
- Carileph
- Carina
- Carino
- Carl
- Carlo
- Carloman
- Carlos
- Carmelo
- Carmen
- Caro
- Carolina
- Carpophorus
- Carpus
- Carthage
- Casilda
- Casimir
- Cassian
- Cassien
- Cassius
- Castor
- Castrese
- Castritian
- Castulus
- Catald
- Catalina
- Catellus
- Caterina
- Catervus
- Catharina
- Catharine
- Cathen
- Catherine
- Cathróe
- Cawrdaf
- Ceccardus
- Cecilia
- Cedd
- Cedrón
- Ceferino
- Ceinwen
- Celedonio
- Celerinus
- Celeste
- Celestina
- Celestine
- Céline
- Cellach
- Celso
- Celsus
- Censure
- Centola
- Cenydd
- Ceolfrith
- Ceolwulf
- Ceratus
- Ceraunus
- Cerbonius
- Césaire
- César
- Cesidio
- Ceslaus
- Cetteus
- Cettin
- Chad
- Chaffre
- Chagnoald
- Charbel
- Chariton
- Charlemagne
- Charles
- Charles-Joseph-Eugene
- Chelidonia
- Chérémon
- Chi
- Chiaffredo
- Chiara
- Chlodulf
- Choi
- Chrestus
- Christian
- Christiana
- Christina
- Christophe
- Christopher
- Chrodegang
- Chromatius
- Chrysogonus
- Cian
- Ciarán
- Cinnia
- Cipriano
- Ciriaco
- Cirillo
- Cissa
- Clair
- Claire
- Clar
- Clara
- Clarangela
- Clare
- Clarus
- Clateus
- Claude
- Claudi
- Claudia
- Claudine
- Claudio
- Claudius
- Clelia
- Clémence
- Clemens
- Clement
- Clemente
- Clementina
- Cleonicus
- Cleopatra
- Clerus
- Clervie
- Clodoald
- Clotilde
- Clydog
- Coan
- Cocha
- Cóelfhind
- Cointha
- Colette
- Colmán
- Colodan
- Coloman
- Colomba
- Columba
- Columbanus
- Comasia
- Comgall
- Comitius
- Conainne
- Conan
- Concepción
- Concorde
- Concordia
- Concordius
- Congar
- Conleth
- Cono
- Conogan
- Conon
- Conrad
- Constabilis
- Constance
- Constancio
- Constant
- Constantien
- Constantin
- Constantina
- Constantine
- Constantino
- Constantius
- Contardo
- Contest
- Conus
- Conval
- Conwoïon
- Corbinian
- Cordula
- Corentin
- Cormac
- Corneille
- Cornelia
- Cornelius
- Corona
- Cosmas
- Cosme
- Costantino
- Costanzo
- Cowdrey
- Cránaid
- Crescencia
- Crescencio
- Crescens
- Crescentian
- Crescentinus
- Crescentius
- Crispin
- Crispina
- Crispinus
- Crispoldus
- Cristanziano
- Cristina
- Cristino
- Cristiolus
- Cristóbal
- Cristoforo
- Crone
- Cruz
- Ctesiphon
- Cuan
- Cuanna
- Cucuphas
- Cumiano
- Cunera
- Cunibert
- Cunigunde
- Curig
- Cuthbert
- Cuthburh
- Cwyllog
- Cybard
- Cybi
- Cyndeyrn
- Cynfran
- Cyngar
- Cynhafal
- Cynllo
- Cynog
- Cynon
- Cynwyl
- Cyprian
- Cyprianus
- Cyra
- Cyriaca
- Cyriacus
- Cyricus
- Cyril
- Cyrion
- Cyrus
- Cywair
- Czesław