Emergency vets in Ontario
33 clinics in Ontario advertise emergency or 24-hour services. Pick a city below, or scan the full list. Call before you drive — availability changes without notice.
Red markers = emergency clinics. Click a marker for details.
By city
Cities with dedicated emergency listings are marked; every city page also shows the nearest emergency hospitals and all local vets.
All emergency listings in Ontario
Animal Emergency & Specialty Hospital
1155 Lola Street, Overbrook, Ontario
Verified 2026-07-27
Beattie Animal Hospital
1231 Appleby Line, Burlington, Ontario L7L 5H9
Verified 2026-07-27
Capital City Specialty & Emergency Animal Hospital
747 Silver Seven Road, Kanata, Ontario
Verified 2026-07-27
Central Toronto Veterinary Referral Clinic
1051 Eglinton Avenue West, Toronto, Ontario M6C 2C9
Verified 2026-08-10
Clarkson Village Animal Hospital
1659 Lakeshore Road West, Mississauga, Ontario
Verified 2026-07-27
Clarkson Village Animal Hospital
804 Southdown Road, Oakville, Ontario
Unverified listing — call ahead to confirm hours and availability.
Eagleson Veterinary Clinic
500 Eagleson Road, Glen Cairn, Ontario
Unverified listing — call ahead to confirm hours and availability.
East Mountain Animal Hospital
Hamilton, Ontario
Unverified listing — call ahead to confirm hours and availability.
Emergency Animal Clinic
505 King Street West, Hamilton, Ontario
Verified 2026-07-27
Emergency Vet Clinic of Waterloo Region
405 Maple Grove Road, Unit 14, Cambridge, Ontario N3E 1B6
Verified 2026-08-10
Emergency Veterinary Clinic
1 Wexford Road, Brampton, Ontario L6Z2W1
Verified 2026-07-27
Huronia Veterinary Emergency Clinic
391 Dunlop Street West, Barrie, Ontario
Verified 2026-07-27
Kawartha Veterinary Clinic
Peterborough, Ontario
Unverified listing — call ahead to confirm hours and availability.
Niagara Veterinary Emergency Clinic
3300 Merrittville Highway, Unit 1A, Thorold, Ontario L2V 4Y6
Verified 2026-08-10
O'Sullivan Animal Hospital
Barrie, Ontario
Unverified listing — call ahead to confirm hours and availability.
OVC Health Sciences Centre - Companion Animal Hospital, University of Guelph
28 College Avenue West, Guelph, Ontario N1G 2W1
Verified 2026-08-10
VCA Animal Hospital
2616 Bank Street, Gloucester, Ontario K1T 1M9
Verified 2026-07-27
VCA Canada 404 Veterinary Emergency and Referral Hospital
510 Harry Walker Pkwy S, Newmarket, Ontario L3Y 0B3
Verified 2026-08-10
VCA Canada Alta Vista Specialty & Emergency Veterinary Centre
2220 Walkley Road, Ottawa, Ontario K1G 5L2
Verified 2026-08-10
VCA Canada London Regional Veterinary Emergency and Referral Hospital
41 Adelaide St North, Suite 45, London, Ontario N6B 3P4
Verified 2026-08-10
VCA Canada Toronto Veterinary Emergency Hospital
21 Rolark Dr, Scarborough, Ontario M1R 3B1
Verified 2026-08-10
VCA Ottawa Veterinary Hospital
900 Boyd Avenue, Hintonburg, Ontario
Unverified listing — call ahead to confirm hours and availability.
VEG ER for Pets - Etobicoke
171 N Queen St, Unit G1, Etobicoke, Ontario M9C 1A7
Verified 2026-08-10
Veterinary Emergency and Referral Hospital of West Toronto
755 Queensway East, Alderwood, Ontario L4Y4C5
Verified 2026-07-27
Veterinary Emergency Clinic - VEC North
280 Sheppard Ave East, Toronto, Ontario
Verified 2026-08-10
Veterinary Emergency Urgent Care & Referral Clinic of York Region
1210 Journeys End Circle, Newmarket, Ontario
Verified 2026-07-27
Walker Road Animal Hospital
3577 Walker Rd, Windsor, Ontario N8W 3S5
Verified 2026-08-10
Animal Emergency Clinic
Whitby, Ontario
Hours: Mo-Fr 19:00-08:00; Sa-Su 24h
Verified 2026-07-27
Burgess Animal Hospital
30 Glamis Road, Cambridge, Ontario N1R 7H5
Hours: Mo-Th 08:00-20:00, Fr 08:00-18:00, Sa 09:00-14:00; PH off
Verified 2026-07-27
Emergency Vet
Richmond Hill, Ontario
Hours: Mo 00:00-00:00; Tu 00:00-23:00; Th 11:00-00:00; Fr,Sa,Su 00:00-00:00
Verified 2026-07-27
Mississauga Oakville Veterinary Emergency Hospital
2285 Bristol Circle, Mississauga, Ontario
Hours: Mo-Su 00:00-23:59
Verified 2026-07-27
Southwest Veterinary Hospital
1398 Wellington Rd S, London, Ontario N6E 1M5
Hours: Fri 6:00 PM - Mon 6:00 AM
Verified 2026-08-10