| Acronym | Definition |
|---|
| TCHA | Tippecanoe County Historical Association (Indiana) |
| TCHA | The Children's Hospital of Alabama |
| TCHA | Tools and Compilers for Hardware Acceleration (workshop) |
| TCHA | The Central Highlands Alliance (Australia) |
| TCHA | Thanet Community Housing Association (UK) |
| TCHA | Texas Concealed Handgun Association (Spring, Texas) |
| TCHA | Teton County Housing Authority (Wyoming) |
| TCHA | Tehama County Health Agency (Red Bluff, CA) |
| TCHA | Tamil Community Housing Association (UK) |
| TCHA | Technical Committee for Humanitarian Assistance (UNHCHR) |
| TCHA | taurocholic acid |
| TCHA | Thomas Carr Howe Academy (Indianapolis, Indiana) |
| TCHA | Town and Country Homes Association (UK) |
| TCHA | Tank Car Holding Area |
| TCHA | Texas County Housing Authority |
| TCHA | Tallapoosa County Homeschool Association (Jackson's Gap, AL) |
| TCHA | Toronto City Hall Archives (Canada) |
| TCHA | Tri-Cities Horsemen Association (El Sobrante, CA) |
| TCHA | Twin Creeks Homeowners Association, Inc. (Indianapolis, IN) |
| TCHA | Tri-County Horse Association (Michigan) |
| TCHA | Traditional Chinese Healers Association |
| TCHA | Towns County Homeowners Association (Hiawassee, GA) |