Conrad Christian Parnemann Langaard (18 November 1823 – 11 August 1897) was a Norwegian businessperson.
He was born in Lillesand as a son of sea captain Mads Christian Langaard (1774–1854) and Ellevine Ellefsen (1792–1874). He was a brother of Mads Langaard,[1] and through him an uncle of Christian Langaard and a granduncle of Johan Henrik Langaard.[2]
From March 1857 he was married to Henriette Bull (1829–1867), and from February 1869 he was married to Andrea Serene Jensen (1821–1894), a sister of Peter Andreas Jensen.[1] Through his son, factory owner Rasmus Agerup Langaard (1860–1908), he was a grandfather of tennis player Conrad Langaard.[3]
He entered the tobacco industry in 1849, and founded the eponymous company Conrad Langaard in 1854. He was also a ship-owner, and was one of the wealthiest persons in Norway.[4] His company still exists.