Young Traveller (later known as Lauderdale, foaled 1788) was a British Thoroughbred racehorse best known for winning the classic St Leger Stakes in 1791. Bred and originally campaigned in Yorkshire he won two of his three races as an unnamed three-year-old in 1791. On the day after his classic victory he defeated an unusually strong field of older horse to become the first St Leger winner to also win the Doncaster Cup. In the following year he was sold, renamed and raced mainly in Scotland, winning a further five races (including three walkovers) before the end of his racing career. Young Traveller does not appear to have been used as a breeding stallion.