Tsar Kaloyan may refer to:

• Kaloyan of Bulgaria - emperor (tsar) of Bulgaria from 1197 to 1207
• Tsar Kaloyan, Razgrad Province - a town and municipality of the Razgrad Province in Bulgaria
• Tsar Kaloyan, Plovdiv Province - a village in the Kuklen municipality of the Plovdiv Province, Bulgaria

• Chesmenskii Raion
• Chesmenski Raion
• Chesmenskiy
• Chesmenskiy District
• Chesmenskiy Raion
• Chesmenskoye
• Chesmensky
• Chesmensky District
• Chesmensky Raion
• Che Smith
• Chesnaught
• Chesnea
• Chesneau
• Chesneya elegans
• Chesney Formation
• Chesney Gold Medal
• Chesney snow
• Chesney Snow
• Chesno
• Chesnonia
• Chesnonia verrucosa
• Chesnut
• Chesnut Cottage
• Chesnut (disambiguation)
• Chesnut-sided White-eye