Johan David Haslund Gjøstein (5 January 1866 – 15 February 1935) was a Norwegian educator, newspaper editor and politician.
[6][7] In December 1921 Gjøstein was appointed school director of the dioceses of Agder and Stavanger.
Gjøstein followed the breakaway faction, and was elected for the Social Democratic Labour Party in 1922, representing the Market towns of Vest-Agder and Rogaland counties.
He chaired the local Labour Party chapter for some time, and co-founded several trade union.
[1] He left the position as school director on 1 January 1935,[1] and died in the same year.