| nome e cognome | indirizzo web |
| Daniela Carmen COSCIA | http://www.italiansoul.net |
| Licinia COSENZA | https://www.cam.tv/liciniacosenza |
| Maurizio COSTA | www.sc-p.it |
| Valentina COSTA | http://www.a3e.it |
| Angelo COSTA | http://www.studiocosta.ae |
| Michelangelo COSTABILE | http://www.microsuite.eu |
| Francescopaolo COSTANTINI | http://c3lab.it |
| Alberto COSTANTINI | http://www.albertocostantini.com |
| Marcello Costantini | http://www.marcellocostantini.it/ |
| Gianguido COSTANTINI | http://www.archstudiozacutti.it |
| Piera COSTANTINO | www.linkedin.com/pub/piera-costantino/25/376/57a |
| Maurizio COSTANZI | http://mauriziocostanzi.wix.com/architect |
| Matteo COSTANZO | http://www.2ap.it |
| Alessia COSTARELLI | http://www.acksdesign.com |
| Duccio COTRONEA | http://www.resfictae.it |
| Daniela COVATO | http://www.theastudio.it |
| Romolo COZZI | http://www.resfictae.it |
| Piercarlo CRACHI | http://www.studiocrachi.com |
| Manuela CRESPI | http://sites.google.com/a/uniroma1.it/manuelacrespi/home |
| Giovanni Luca CRISPINO | http://www.gianlucacrispino.it |
| Fabiana CRISTOFANILLI | http://www.ingarch.it |
| Michele CRO' | http://www.michelecro.com |
