Pilica may refer to:

• Pilica (river) in south-central Poland
• Pilica (Bajina Bašta), a village in the municipality of Bajina Bašta, Serbia
• Pilica, Masovian Voivodeship, a village in east-central Poland
• Gmina Pilica, an administrative district in Zawiercie County, Silesian Voivodeship, Poland
  • Pilica, Silesian Voivodeship, seat of the district
• Pilica (genus), a genus of flies

• Niijima, T.
• Niijima, Tokyo
• Niikappu
• Niikappu River
• Niikappu Station
• Niikawa-Kuroki syndrome
• Niikawa–Kuroki syndrome
• Ni'ilin
• Niillas Somby
• NIILM School of Business
• Niilo
• Niilo jaaskinen
• Niilo Jaaskinen
• Niilo Jääskinen
• Niilo Paasivirta
• Niilo Sevaenen
• Niilo Sevanen
• Niilo Sevänen
• Niilo Waellaeri
• Niilo Wallari
• Niilo Yli-Vainio
• Ni'ilya
• Niim
• Nii ma jaelle laeen
• Nii ma jalle laen