Kielland is a Norwegian surname. Notable people with the surname include:
Alexander Kielland (1849–1906), Norwegian writerAxel Christian Zetlitz Kielland (1853–1924), Norwegian civil servant and diplomatChristian Bendz Kielland (1858–1934), Norwegian civil servantGabriel Kielland (1871–1960), Norwegian architect, painter and designerGabriel Schanche Kielland (1760–1821), Norwegian businessman and ship ownerGustava Kielland (1800–1889), Norwegian author and missionary pioneerJacob Christie Kielland (1897–1972), Norwegian architectJacob Kielland (officer) (1825–1889), Norwegian naval officer and politicianJacob Kielland (priest) (1841–1915), Norwegian priest and politicianJacob Kielland (businessman) (1788–1863), Norwegian businessperson, consul and politicianJacob Christie Kielland (1897–1972), Norwegian architectJens Zetlitz Monrad Kielland (1866–1926), Norwegian architectJens Zetlitz Kielland (1816–1881), Norwegian consul and artistJonas Schanche Kielland (born 1863) (1863–1925), Norwegian jurist and politicianJonas Schanche Kielland (1791–1852), Norwegian consul and politicianKitty Lange Kielland (1843–1914), Norwegian landscape painterOlav Kielland (1901–1985), Norwegian composer and conductorTycho Kielland (1854–1904), Norwegian jurist