Lech can refer to:

• a Slavic, especially Polish, first name, e.g.
  • Lech Wałęsa, president of Poland (1990-1995)
  • Lech Kaczyński, president-mayor of Warsaw
  • Lech, founder of Poland - legendary father and founder of Poland (or Lechia, and city of Gniezno.
  • Lech Trzeciakowski, a Polish historian
  • Lech Janerka, a Polish musician
• Lech (beer) , a brand of popular Polish beer produced by Kompania Piwowarska , in Poznan.
• Lech Poznań, a football club from Poznań,
• Lech river in Austria and Germany

See also related names:

• Leszek
• Lechosław