Montecatini may refer to

• Montecatini Terme, a municipality in the province of Pistoia in Tuscany
  • RB Montecatini Terme, basketball team in the district above
  • Battle of Montecatini, 1315 battle near the district above
• Montecatini Val di Cecina, comune in the province of Pisa in Tuscany
• Montecatini, hamlet in the comune of San Martino in Rio

• Montecatini (company), Italian chemicals combine