Hartwig (surname)

Hartwig is a Germanic-language surname, literally meaning hard in battle (hart + wig).

Finnish variants of the name, derived from the North German form Harteke, include Hartik (archaic), Hartikka, Harto, Hartto, Harttu, Hartus, Harttula, Hartikkala, Hartoinen, Hartuinen and most often, Hartikainen, a Savonian noble variant.

Notable people with the surname include:
 * Carter Hartwig (b. 1956), American professional football player
 * Clayton Hartwig (1964–1989), American sailor accused of causing the 1989 explosion of the 16" gun turret on the USS Iowa
 * Edward Hartwig (1909–2003), Polish photographer
 * Ernst Hartwig (1851–1923), German astronomer
 * Eva Brigitta Hartwig, later Vera Zorina, German prima ballerina active in America
 * Gay Hartwig (contemporary), American voice actress
 * Grant Hartwig (b. 1997), American professional baseball player
 * Gus Hartwig (b. 2002), American football player
 * Ina Hartwig (b. 1963), German author, journalist, culture politician
 * Heike Hartwig (b. 1962), German Olympic shot putter
 * Jeff Hartwig (b. 1967), American Olympic polevaulter
 * Jimmy Hartwig (b. 1954), German professional football player
 * John F. Hartwig (b. 1964), Henry Rapoport Professor of Chemistry at the University of California, Berkeley
 * Josef Hartwig (1880–1956), German sculptor, Bauhaus teacher, and designer of an iconic chess set
 * Julia Hartwig (1921–2017), Polish poet and translator
 * Justin Hartwig (b. 1978), American professional football player
 * Marie Hartwig (1906–2001), American professor of physical education and advocate of women's sports
 * Nicholas Hartwig (1857–1914), Russian diplomat; ambassador to Persia 1906–08 and to Serbia 1904–14
 * Rex Hartwig (1929–2022), Australian professional tennis player
 * Ingmar Hartwig (b. 1988), German designer
 * Roland Hartwig (b. 1954), German politician
 * Wolf C. Hartwig (1921–2017), German film producer