Daniel Harrwitz (22 February 1821 – 2 January 1884) was a German chess master.

Harrwitz's correct birth and death dates (22 February 1821 and 2 January 1884 respectively) were established by Luca D'Ambrosio in Chess Notes item 6286.

Harrwitz lived in England from 1849, and founded the British Chess Review.

In 1856, he moved to Paris, where he won a match against Jules Arnous de Rivière.

This biographical article relating to a German chess figure is a stub.