Thorvald Ellegaard (7 March 1877 - 27 April 1954) was a leading Danish track racing cyclist in the 1900s and 1910s. He won the world professional sprint title six times, three European titles, and 24 Danish titles. He also won the Grand Prix de Paris in 1901 and 1911. Over the course of his long career, which spanned 31 years, he competed in 1,560 significant races, winning 925 of them. He was Denmark's first sports idol.