The 2007 World Thoroughbred Racehorse Rankings is the 2007 edition of the World Thoroughbred Racehorse Rankings. It is an assessment of racehorses which was issued by the International Federation of Horseracing Authorities (IFHA) in January 2008. It includes horses aged three or older which raced or were trained during 2007 in countries where the flat racing year runs from January 1 to December 31. These countries are generally in the Northern Hemisphere.