Ludwik

Ludwik is a Polish given name.

Notable people with the name include:
 * Ludwik Czyżewski, Polish WWII general
 * Ludwik Fleck (1896–1961), Polish medical doctor and biologist
 * Ludwik Gintel (1899–1973), Polish-Israeli Olympic soccer player
 * Ludwik Hirszfeld (1884–1954), Polish microbiologist
 * Ludwik Krzywicki (1859–1941), Polish economist and sociologist
 * Ludwik Marian Kurnatowski, Polish crime writer
 * Ludwik Lawiński (1887–1971), Polish film actor
 * Ludwik Mlokosiewicz (1831–1909), Polish explorer, zoologist and botanist
 * Ludwik Mycielski (1854–1926), Polish politician
 * Ludwik Rajchman (1881–1965), Polish bacteriologist
 * Ludwik Silberstein (1872–1948), Polish-American physicist that helped make special relativity and general relativity staples of university coursework
 * Ludwik Starski (1903–1984), Polish lyricist and screenwriter
 * Ludwik Waryński (1856–1889), Polish activist and theoretician of the socialist movement
 * Ludwik Zamenhof (1859–1917), Polish medical doctor, writer, and inventor of Esperanto.

Other people include:
 * Ignace Reiss (1899-1937), Soviet spy whose best-known cover name was "Ludwik."