Horwitz is a surname, current among Ashkenazi Jews. It is derived from the Yiddish pronunciation of the name of the town of Hořovice in Bohemia.
Notable people with the surname include:
Bernhard Horwitz, chess player
Brian Horwitz, American major league baseball outfielder
Jacob H. Horwitz (1892–1992), American businessman, philanthropist and fashion innovator.
Jerome Lester Horwitz, a.k.a. Curly Howard, of the Three Stooges
Maksymilian Horwitz, aka Henryk Walecki (1877–1937), leader and theoretician of the Polish communist movement
Morton Horwitz (born 1938), legal historian and law professor
Moses Harry Horwitz, a.k.a. Moe Howard, of the Three Stooges
Phineas Jonathan Horwitz (1822–1904), former Surgeon General of the United States Navy
Ralph Horwitz (later "Ralph Horween), American football player for Harvard Crimson and in the NFL
Ronald Horwitz, known as Ronald Harwood
Samuel Horwitz, a.k.a. Shemp Howard of the Three Stooges
Steven Horwitz, American economist
Susan B. Horwitz, American computer scientist
Susan Band Horwitz, American biochemist
Tony Horwitz, American journalist
William Horwitz, analytical chemist, formerly at the US Food and Drug Administration
Yosef Yozel Horwitz, rabbi
