Ian Dempsey (born 16 January 1961) is an Irish presenter of television and breakfast radio.
He is the long-running presenter of the breakfast show on Today FM, self-titled The Ian Dempsey Breakfast Show, which runs from 7-9am each weekday.
He has won several major awards for his programmes and was the Republic of Ireland's tenth most-listened-to broadcaster in 2007.On 9 June 2010, he co-hosted the opening ceremony of the 2011 Special Olympics World Summer Games Irish heats at Thomond Park with Des Cahill.