- Cable Television
- Cables
- CAD
- CAER
- CAFS
- CAI
- Calibration
- Call Boxes
- Calorimeters
- CAMEO
- Cameras
- Camp Fire, 2018
- Campaigns
- Camping
- Campus Safety
- Cancer
- Candles
- Capability Assessment for Readiness
- Capitalism
- CAR
- Car Racing
- Carbon Dioxide
- Carbon Monoxide
- Carbon Monoxide Detectors
- Carcinogens
- Cardiac Arrest
- Cardiocerebral Resuscitation
- Cardiopulmonary Resuscitation
- Cardiovascular System
- Career Development
- Career Planning
- Carnivals
- Carpal Tunnel Syndrome
- Cars
- Case Studies
- Casualties
- Cataloging
- Catalogs
- Catalytic Converters
- Catastrophes
- Catheterization
- Catheters
- Cave Ins
- Caves
- CBM
- CBRNE
- CCA
- CCR
- CD Roms
- Ceilings
- Cell Phones
- Cellars
- Cellular Foam
- Cellular Phones
- CEM
- Censorship
- Census
- Ceramic Tiles
- Ceramics
- Ceremonies
- CERT
- Certification
- Certified Emergency Managers
- CFSI
- Chain Saws
- Change
- Chaplains
- Charcoal
- Charles Berg Laboratories
- Charleston Sofa Super Store Fire, 2007
- Charring
- CHAWS
- Chemical Contamination
- Chemical Explosions
- Chemical Hazard Warning System
- Chemical Hazards Response Information System
- Chemical Industry
- Chemical Plants
- Chemical Salts
- Chemical Spills
- Chemical Stockpile Emergency Preparedness Program
- Chemical Warfare
- Chemical Weapons
- Chemicals
- Chemistry
- Chemotherapy
- Chernobyl Nuclear Accident
- Child Abuse
- Child Safety
- Child Safety Restraints
- Childbirth
- Children
- Chimneys
- Chlorine
- Cholesterol
- CHRIS
- Christmas Tree Fires
- Chromatography
- Churches
- Cigarette Lighters