Hans Nilson Langseth (July 14, 1846 – November 10, 1927) was a Norwegian-American who held the record for the world's longest beard.

[1] Langseth was born in Eidsvoll, Norway, on July 14, 1846, and immigrated to the United States in 1867.

He married Anna Berntsen in 1870 and worked as a farmer in Elkton Township, Minnesota.

[3] Langseth died of complications of old age[4] at age 81 in Wyndmere, North Dakota, on November 10, 1927, and is buried in Elk Creek Church Cemetery in Kensett, Iowa.

[5] When he died, his beard measured 5.33 meters (17.5 ft).