PCE may stand for:

• Parametric cost estimation
• Parliamentary Commissioner for the Environment (New Zealand)
• Partial chemical equilibrium
• Partial Compliance Evaluation (EPA)
• Partido Comunista de España (Communist Party of Spain, pce.es)
• Patrol escort (US Navy hull classification symbol)
• Perchloroethylene
• Porsche Club Estonia
• Power conditioning equipment
• Principle of Computational Equivalence
• Private Character Editor (Microsoft)
• Private consumption expenditure
• Process control engineering
• Professional continuing education
• Pure Consciousness Experience
• Pyrometic cone equivalent