English abbreviations from chrs to chy
- CHRS (Canadian Heart Rhythm Society)
- CHRT (casing hanger running tool)
- CHRTC (Canadian Human Resource and Tourism Council)
- CHS (Combat Health Support)
- CHSP (Community Human Service Partnership)
- CHSS (Combat Health Support System)
- CHST (Construction Health and Safety Technician)
- CHSTR (CHaracteristicS of Transportation Resources)
- CHSTREP (CHaracteristicS of Transportation Resources REPort)
- CHSW (Children's Hospice South West)
- CHT (Certified Hand Therapist)
- CHTM (Community Health Trust of Maine)
- chu (Old Church Slavonic language (ISO 639-2 code))
- Chuck (Charles)
- CHUD (Cinematic Happenings Under Development)
- CHUMS (Customers Helping Us Maintain Scottsdale)
- chv (Chuvash language (ISO 639-2 code))
- CHW (Corporate Homes for Wildlife)
- CHX (Captain Manuel Niño International Airport)
- CHY (Choiseul Bay Airport)