| Unit Name: | 25 (Toronto) Field Ambulance |
| Dates: | 1977–present |
| Country: | Canada |
| Branch: | Royal Canadian Medical Service |
| Role: | Medical |
| Size: | Company |
| Command Structure: | Canadian Forces Health Services Group |
| Commander1: | HCol Dr. Michael Dan, MD, PhD, MBA, CM, OOnt |
| Commander1 Label: | Honorary Colonel |
| Commander2: | LCol Richard K.Moyer, CD |
| Commander2 Label: | Commanding Officer |
| Commander3: | CWO Chris Thomas, CD |
| Commander3 Label: | Regimental Sergeant Major |
| Commander4: | Anne, Princess Royal |
| Commander4 Label: | Colonel-in-chief |
| Garrison: | Moss Park Armoury |
| Nickname: | 25 Fd Amb |
| Motto: | Militi Succurrimus ("We Hasten to Aid the Soldier") |
| March: | Music: "Farmer's Boy" |
25 (Toronto) Field Ambulance (25 Fd Amb), formerly 25 (Toronto) Medical Company, is a Canadian Forces Primary Reserve (militia) medical unit in Toronto, Ontario. The company-strength formation is part of 4 Health Services Group, which is headquartered in Montreal, Quebec.
It is the only Primary Reserve medical unit in Toronto. The unit parades out of Moss Park Armoury and is tasked with providing medical support to 32 Canadian Brigade Group. Members of the unit have served on various UN and NATO missions around the world, including Cyprus, Bosnia and the former Yugoslavia, Haiti, the Sudan and for the Canadian component of the International Security Assistance Force in Afghanistan.