| Acronym | Sense | Language | Topics |
|---|---|---|---|
| GCR | Ground-Controlled Radar | In English | → Engineering, technology |
| GCR | Group-Coded Recording | In English | → Engineering, technology |
| GCR | Gas Cooled Reactor | In English | → Nuclear technology |
| GCR | Gardes Civiques Républicaines | In French |