Ernst Anton Henrik Sinding (8 December 1839 – 11 January 1924) was a Norwegian school director.
He was born in Larvik as a son of vicar Otto Ludvig Sinding (1809–1890) and Dorothea Magdalene Lammers.
[1] Through his son Bjarne he was a grandfather of economist and statistician Thomas Sinding.
[1] He was also a member of the Patent Commission, and, when it was founded, the Norwegian Industrial Property Office board from 1911 to 1921.
He was a member of Kristiania city council from 1885 to 1898, and several governmental commissions.