Ludwig Wittgenstein (Ludwig Josef Johann Wittgenstein, 1889 – 1951) was an Austrian-British philosopher.

Wittgenstein may also refer to:

  • Wittgenstein (film), Derek Jarman's 1993 biopic of Ludwig Wittgenstein
  • Wittgenstein family relatives of Ludwig
  • in Vienna, Austria, now demolished residence of the family
  • Haus Wittgenstein, residence of Margaret Stonborough-Wittgenstein in Vienna, Austria, partly designed by her brother Ludwig
  • Wittgenstein or , a former Westphalian principality merged with Kreis Wittgenstein before being incorporated into Kreis Siegen-Wittgenstein, Germany
  • Wittgenstein Castle, near Bad Laasphe, Germany, seat of the principality of Wittgenstein
  • Sayn-Wittgenstein, a German noble family, formerly counts of Wittgenstein
  • Wittgenstein, a fictional computer in The Brave Little Toaster to the Rescue and The Brave Little Toaster Goes to Mars
  • Wittgenstein (비트겐슈타인), a South Korean rock band formed by Shin Hae-Chul, active from 2000 to 2001

People with the surname

Viennese Wittgensteins

  • Karl Wittgenstein (1847–1913), Austrian steel tycoon and father of Ludwig
  • Margaret Stonborough-Wittgenstein (Margarethe Anna Maria, 1882–1958 ), sister of Ludwig
  • Paul Wittgenstein (1887–1961), pianist and brother of Ludwig
  • Paul Wittgenstein (grandson of his namesake, 1907–1979), eccentric and subject of Thomas Bernard's book Wittgenstein's Nephew (1982)

Sayn-Wittgensteins

  • (died 1272), abbott of Grafschaft Abbey
  • Louis I, Count of Sayn-Wittgenstein (1532–1605), German nobleman
  • Prince Peter Wittgenstein (1769–1843), Russian field marshal
  • Wilhelm Ludwig Sayn-Wittgenstein, Prussian politician
  • Ludwig zu Sayn-Wittgenstein-Berleburg (1799–1866), Russian aristocrat
  • Princess Carolyne zu Sayn-Wittgenstein (1819–1887), Russian noblewoman, Franz Liszt's mistress and patron
  • Heinrich Prinz zu Sayn-Wittgenstein (1916–1944), World War II German flying ace
  • Botho Prinz zu Sayn-Wittgenstein-Hohenstein (1927–2008), German politician
  • Richard, 6th Prince of Sayn-Wittgenstein-Berleburg (1934–2017), German businessman
  • Princess Nathalie of Sayn-Wittgenstein-Berleburg (born 1975), Danish equestrian
  • August Wittgenstein (August-Frederik Prinz zu Sayn-Wittgenstein-Berleburg, born 1981), German-Swedish actor