Mariampol may refer to:
- Polish name for Marijampolė in Lithuania
- Mariampol, Biała Podlaska County in Lublin Voivodeship (east Poland)
- Mariampol, Opoczno County in Łódź Voivodeship (central Poland)
- Mariampol, Zgierz County in Łódź Voivodeship (central Poland)
- Mariampol, Opole Lubelskie County in Lublin Voivodeship (east Poland)
- Mariampol, Świętokrzyskie Voivodeship (south-central Poland)
- Mariampol, Grodzisk Mazowiecki County in Masovian Voivodeship (east-central Poland)
- Mariampol, Kozienice County in Masovian Voivodeship (east-central Poland)
- Mariampol, Greater Poland Voivodeship (west-central Poland)
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