Nicoleşti may refer to several villages in Romania:

• Nicoleşti, a depopulated village in Berteștii de Jos Commune, Brăila County
• Nicoleşti, a village in Puieşti Commune, Buzău County
• Nicoleşti, a village in Frumoasa Commune, Harghita County
• Nicoleşti, a village in Ulieș Commune, Harghita County
• Nicoleşti, a village in Miloșești Commune, Ialomiţa County
• Nicoleşti, a village in Crăciunești Commune, Mureş County
• Nicoleşti, a village in Olanu Commune, Vâlcea County

• Marsileaceae
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• Marsiling Secondary School
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• Mars in astrology
• Mars, Inc.
• Mars Incorporated
• Mars, Incorporated
• Mars in fiction
• Marsing
• Marsing, ID
• Marsing, Idaho
• MARSIS
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• Mars meteorites