Jacob Kielland

Jacob Kielland may refer to:


 * Jacob Kielland (businessman) (1788–1863), Norwegian businessman, consul and politician
 * Jacob Kielland (officer) (1825–1889), naval officer and politician, son of Jacob Kielland (1788–1863)
 * Jacob Kielland (priest) (1841–1904), priest and politician, nephew of Jacob Kielland (1825–1889)
 * Jacob Christie Kielland (1897–1972), architect, grandson of Jacob Kielland (1841–1915)