Lasker may refer to:

• Lasker (surname)
• Lasker, North Carolina
• Lasker Award, an award for medical research
• Lasker's Manual of Chess, a book on the game of chess by Emanuel Lasker.
• Lasker–Noether theorem or Lasker Ring, a mathematical theorem
• NOAAS Reuben Lasker (R 228), an American fisheries and oceanographic research ship in commission in the National Oceanic and Atmospheric Administration fleet since 2014

• Lascar (disambiguation)
• Laskar (disambiguation)
• Laski (disambiguation)
• Łask, a town in Poland