RCAF Station Guelph was a Second World War British Commonwealth Air Training Plan (BCATP) station located in Guelph, Ontario on the campus of the Ontario Agricultural College (OAC), the Ontario Veterinary College (OVC), and the Macdonald Institute. The station is usually known as No. 4 Wireless School and was home to several schools as well as test facilities for air force kitchens. The second largest school was the School of Cookery, which trained airmen and airwomen to be chefs in air stations. At least 8,000 airmen and airwomen were trained at RCAF Station Guelph.