Thursby is a surname, and may refer to:
Cecil Thursby (1861–1936), British Royal Navy officer Dorothy Thursby-Pelham (1884–1972), British scientist Emma Cecilia Thursby (1845–1931), American singer Sir John Thursby, 1st Baronet (1826–1901), British landowner, army officer and sportsman Patrick Thursby (1922–1994), British Army officer Thomas Thursby (died 1510), English merchant Thomas Thursby (d. 1543) (1487–1543), English land owner in Norfolk, son of the merchant