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. For detailed historical background see the Horowitz page .

Notable people with the surname include:

• Alan Horwitz (born 1944), American businessman

• Arnold Horwitz (later Arnold Horween), American football player

• Bella Horwitz, 18th century Bohemian writer

• Bernhard Horwitz (1807-1885), German chess player

• Brian Horwitz (born 1982), American baseball player

• Jacob H. Horwitz (1892–1992), American businessman, philanthropist and fashion innovator

• Jerome Lester Horwitz (1903–1952), American actor Curly Howard, of the Three Stooges

• David Horwitz (born 1994), Australian rugby player

• Dominique Horwitz (born 1957), French actor and singer

• Howard Horwitz (1918 – 1976), American television producer

• Jay Horwitz (born 1945), American baseball executive

• Kai Horwitz (born 1998), Chilean alpine skier

• Maksymilian Horwitz, aka Henryk Walecki (1877–1937), Polish communist

• Morton Horwitz (born 1938), legal historian and professor

• Moses Harry Horwitz, American actor a.k.a. Moe Howard, of the Three Stooges

• Phineas Jonathan Horwitz (1822–1904), surgeon and United States Naval officer

• Ralph Horwitz (later Ralph Horween), American football player

• Ronald Horwitz (born 1934), known as Ronald Harwood, South African-born British author, playwright, and screenwriter

• Samuel Horwitz, American actor a.k.a. Shemp Howard, of the Three Stooges

• Spencer Horwitz (born 1997), American baseball player

• Steven Horwitz (born 1964), American economist

• Susan B. Horwitz (1955–2014), American computer scientist

• Susan Band Horwitz, American biochemist

• Tony Horwitz (19582019), American journalist

• William Horwitz (1918–2006), American analytical chemist

• Yosef Yozel Horwitz, rabbi

See also

• Horwitz Publications, an Australian publisher

• Louisa Gross Horwitz Prize