Kottayi may refer to

• Kottayi-I, a village in Palakkad district, Kerala, India
• Kottayi-II, a village in Palakkad district, Kerala, India
• Kottayi (gram panchayat), a gram panchayat serving the above villages

• Temporal Bone
• Temporal case
• Temporal causality loop
• Temporal Cold War
• Temporal compression
• Temporal database
• Temporal Difference
• Temporal Difference Learning
• Temporal difference learning
• Temporal difference model
• Temporal fenestra
• Temporal fenestrae
• Temporal fenestræ
• Temporal gauge
• Temporal Integrity Commission
• Temporal Investigations
• Temporalis
• Temporal jurisdiction (papacy)
• Temporal Key Integrity Protocol
• Temporal lobe
• Temporal lobes
• Temporal logic
• Temporal Logic
• Temporal Logic in Finite-State Verification
• Temporal logic in finite-state verification