Jens Zetlitz Monrad Kielland

Jens Zetlitz Monrad Kielland ((1866-07-29)29 July 1866 – 8 August 1926(1926-08-08) (aged 60)) was a Norwegian architect, professor and author.

He was born in Stavanger to parish priest and politician Jacob Kielland (1841–1915) and his wife Diderikke Jørgine (1842–1918), née Monrad.

Kielland was a student at the Royal Arts School in Kristiania (1884-86), while attending a Master's degree and assisted at an architectural office.

He established his own architectural practice during 1895 and in 1904 started a branch office in Ålesund.

During this period, he published books including By og bygd i Stavanger amt (1915, together with Anders Beer Wilse).