August Hartel (26 February 1844 – 18 February 1890) was a German architect.
Born in Cologne, Hartel was a student and later an employee of Franz Schmitz (architect) [de].
Together with Theodor Quester, he operated an office in Krefeld, which planned in 1877 the Christuskirche, Bochum [de] in Gothic Revival style.
He died a few months after his appointment as Baumeister of the cathedral in Strasbourg.
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