Rögnvaldur Ólafsson (5 December 1874, Ytri Húsum in Dyrafjörður – 14 February 1917) was an Icelandic architect.
[5][6] He struggled from tuberculosis for the remainder of his life, ultimately dying from the disease at the age of 42.
[2][4][7] Rögnvaldur's designs were influenced by the Swiss chalet style and neoclassical architecture.
[5] Despite his illness and a short life, Rögnvaldur was considered a prolific and influential Icelandic architect.
[2][4][7][5] Some of his notable works include the Postal Office in Reykjavík; the agricultural colleges at Hólar and Hvanneyri; the churches in Keflavík, Hafnarfjörður, and Húsavík; and several buildings surrounding Tjörnin, a prominent small lake in central Reykjavík.