Koskinas ({{lang-el|Κοσκινάς}}) is a village in the municipality of Olympia, Elis, Greece. It is 1.5 km northeast of Olympia.

• Nicolai Johan Lohmann Krog
• Nicolai Kiaer
• Nicolai Kielstrup
• Nicolai Kiær
• Nicolai Krog
• Nicolai Legat
• Nicolai Lomov
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• Nicolai Medtner
• Nicolai Melchiorsen
• Nicolai Miaskovsky
• Nicolai Misje
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• Nicola Impastato
• Nicolai Onufrievich Lossky
• Nicolai Panin
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• Nicolai Reymers Bär
• Nicolai Schmidt
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• Nicolai Sokoloff
• Nicolai Stokholm