Carl Christian Ernst Hartmann (13 September 1837 – 6 September 1901) was a Danish sculptor who worked with antique motifs in the Thorvaldsen tradition.

After training with August Saabye and Herman Wilhelm Bissen, he attended the Royal Danish Academy of Fine Arts from 1855, receiving the silver medal in 1859.

[1] While in Rome in 1863, he created a colossal statue of Alexandros.

In the 1870s, he joined the Johannes Group in connection with Vor Frue Kirke in Copenhagen.

A song of his, Mismod, sent anonymously to a jury consisting of Edvard Grieg and C.F.E.