Arthur Lydiard, New Zealand runner and coach (d. 2004)

Arthur Leslie Lydiard (6 July 1917 – 11 December 2004) was a New Zealand runner and athletics coach. He has been lauded as one of the outstanding athletics coaches of all time and is credited with popularising the sport of running and making it commonplace across the sporting world. His training methods are based on a strong endurance base and periodisation.

Lydiard competed in the Men's Marathon at the 1950 British Empire Games in Auckland, coming twelfth with a time of 2:54:51.Lydiard presided over New Zealand's golden era in world track and field during the 1960s sending Murray Halberg, Peter Snell and Barry Magee to the podium at the 1960 Summer Olympics in Rome. Under Lydiard's tutelage Snell went on to double-gold at the 1964 Summer Olympics in Tokyo. Notable athletes subsequently coached by him or influenced by his coaching methods included Rod Dixon, John Walker, Dick Quax and Dick Tayler.

In the 1962 New Year Honours, Lydiard was appointed an Officer of the Order of the British Empire, for services to sport. On 6 February 1990, Lydiard was the 17th appointee to the Order of New Zealand, New Zealand's highest civil honour. He also became a life member of Athletics New Zealand in 2003.

Arthur Lydiard died 11 December 2004 of a suspected heart attack, in Texas, while on a lecture tour.