Sverre Arnljot Breste Kjeldstadli (14 February 1916 – 28 March 1961) was a Norwegian historian.
During World War II he was a courier for Milorg. His dr.philos. thesis from 1959, Hjemmestyrkene. Hovedtrekk av den militære motstanden under okkupasjonen, has been an inspiration for later works by other historians.[1]
He was a son of trade unionist Lars Kjeldstadli (1870–1934) and his wife Beate, née Lotsberg (1880–1965). He was a son-in-law of Daniel Grini,[2] and together with Ellen Helvig Grini (1918–2001) he had the son, historian Knut Kjeldstadli.[3] He died in March 1961 and was buried in Ullern.[4]