The Donegal International Rally is an annual sporting event held in County Donegal, Ireland. It is a well-established Irish annual rally competition and has been one of the most important events in the Irish Rallying calendar. It has a reputation for being one of the country's most challenging rallies. Organized by the , the annual event begins and concludes in Letterkenny. Donegal International Rally has been one of the rounds of the Irish Tarmac Rally Championship for a number of years.