Paul Kleinert (23 September 1837 – 29 July 1920) was a German theologian, born at Vielguth in Prussian Silesia.
From 1854 to 1857 he studied at the universities of Breslau and Halle. He taught school in Oppeln and Berlin, becoming professor at the University of Berlin in 1868. In 1885-1886 he was rector at the University of Berlin. From 1873 to 1891 he was member (consistorial counsellor) of the Marcher Consistory in Berlin. In 1892 he was promoted upper consistorial counsellor in the Supreme Consistory (Evangelischer Oberkirchenrat; EOK) of the Evangelical State Church of Prussia's older Provinces.
