Brockville can mean:
- Brockville, a Canadian city
- Brockville (federal electoral district), a defunct Canadian federal electoral district
- Brockville (provincial electoral district), a defunct Ontario provincial electoral district
- Brockville, New Zealand, a suburb of Dunedin
- Brockville Park, the former stadium of Falkirk F.C.
- HMCS Brockville (J270), a Royal Canadian Navy minesweeper