| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ATCC | American Type Culture Collection (www.atcc.org) | In English | → Cytology → Biotechnology → United States |
| ATCC | Association Tunisienne Contre le Cancer (www.atcc.org.tn) | In French | → Associations → Oncology → Tunisia |
| ATCC | Avenir Triathlon Club de Charleroi | In French | → Organizations and associations → Sport, physical exercises |
| ATCC | Association Tennis Club de Chooz | In French | → Organizations and associations → Sport, physical exercises |
| ATCC | Airedale Terrier Club of Canada | In French | → Organizations and associations → Canada |