Isabella Young (also Isabella Scott) (17?, London - 12 August 1791, London) was an English mezzo-soprano and organist who had a successful career as a concert performer and opera singer during the latter half of the eighteenth century. Young became particularly associated with the works of George Frideric Handel and was a favorite singer of the composer during the last years of his life. She was also a part of a well-known English family of musicians that included several professional singers and organists during the seventeenth and eighteenth centuries.