Fiveforthree (foaled 12 May 2002) was an Irish Thoroughbred racehorse who competed in National Hunt racing. In a racing career which was frequently interrupted by injury, he won six of his fourteen races between February 2007 and April 2013. After showing promise in National Hunt Flat races in Ireland, he recorded his first major success when winning the Ballymore Properties Novices' Hurdle at the 2008 Cheltenham Festival.