Charles Borromée Haentjens (27 November 1821[citation needed] - 21 July 1874) was a Haitian diplomat and politician.

Haentjens was the son of a merchant named Charles Christian Haëntjens, whose family moved to Nantes.

Charles Haentjens returned to Paris in diplomacy as the Secretary of the Legation of Haiti from 1859 to 1863,[1] where he conducted business from 1863 to 1864.

[1] He was made State Secretary of Finance, Trade and External Relations of Haiti in 1871,[2] then from 1873 to 1874.

His son, Clément Haentjens also followed a diplomatic career and would be the State Secretary of Agriculture and Public Works.