Koptelov may refer to:

• Asteroid 3968 Koptelov, named after Afanasij Lazarevich Koptelov, Soviet writer
• Evgeny Koptelov (born 1998), Russian swimmer

• Crataegolic acid
• Crataegus apiomorpha
• Crataegus arbutifolia
• Crataegus aria
• Crataegus canadensis
• Crataegus cerronis
• Crataegus compta
• Crataegus crudelis
• Crataegus densiflora
• Crataegus dilatata
• Crataegus elegans
• Crataegus macrocarpa
• Crataegus obtusifolia
• Crataegus ohioensis
• Crataegus pennsylvanica
• Crataegus pratensis
• Crataegus pyracanthoides
• Crataegus pyrifolia
• Crataegus sect. Coccineae
• Crataegus sect. Douglasia
• Crataegus section Coccineae
• Crataegus section Douglasia
• Crataegus section Sanguineae
• Crataegus sect. Sanguineae
• Crataegus series Molles