- Cable
- Cade
- Caffrey
- Calabrese
- Calamita
- Caldwell
- Calhoun
- Callahan
- Calo
- Campana
- Campbell
- Cannon
- Canowitz
- Capers
- Capiccioni
- Caporale
- Card
- Caresani
- Carey
- Carlson
- Carmichael
- Caroscio
- Carrick
- Carson
- Carten
- Carter
- Caruso
- Casey
- Cashin
- Casiere
- Cassidy
- Casteel
- Castele
- Castrigano
- Catalano
- Ceaser
- Cegelski
- Cellura
- Cercelle
- Cerny
- Cerveny
- Cevera
- Chalk
- Chambers
- Chamlee
- Champa
- Chargo
- Charnas
- Charnofsky
- Chattman
- Chavers
- Chazinski
- Chelton
- Chen
- Cherrie
- Cheung
- Chiacchiari
- Chiang
- Chicone
- Chireallo
- Chojnacki
- Chojnowski
- Chow
- Christensen
- Christovich
- Christy
- Chryst
- Chulick
- Cianciolo
- Cibrik
- Cicirella
- Cipolletti
- Cipriano
- Cira
- Cirincione
- Cirino
- Cizmar
- Clark
- Claytor
- Clements
- Clemon
- Clendennen
- Clinton
- Coachman
- Cofer
- Coffey
- Cofield
- Cofsky
- Cohen
- Colabianchi
- Coleman
- Collier
- Collingwood
- Collins
- Colonna
- Combs
- Comella
- Conley
- Conner
- Connors
- Conrad
- Conroy
- Conti
- Contipelli
- Conway
- Conwell
- Cook
- Cooney
- Cooper
- Coots
- Coraretti
- Corcoran
- Cordiak
- Corrigan
- Costic
- Cousineau
- Cover
- Coviello
- Cowan
- Cowell
- Cowhard
- Cowles
- Cowley
- Craciun
- Craig
- Crain
- Cramer
- Crawford
- CREA
- Creasey
- Crespo
- Croley
- Cromika
- Croom
- Crouse
- Crowl
- Cruz
- Cummings
- Cunningham
- Cunovich
- Curry
- Curtiss
- Cutler
- Cutrone
- Cweiber
- Cwiklinski
- Czarnecki
- Czellath
- Czerkies
- Czerwony
- Czinger
- Czirr