Mărgineni may refer to one of several places in Romania:

• Mărgineni, Bacău, a commune in Bacău County
• Mărgineni, Neamț, a commune in Neamţ County
• Mărgineni, a village in Săliştea Commune, Alba County
• Mărgineni, a village in Hârseni Commune, Braşov County
• Mărgineni, a village in Valea Mare Commune, Vâlcea County

• Fourth Andhra Mahasabha
• Fourth and Loud
• Fourth (angle)
• Fourth anglo-dutch war
• Fourth Army (Austria-Hungary)
• Fourth Army (France)
• Fourth arrondissement of Paris
• Fourth Asquith ministry
• Fourth Assessment Report
• Fourth Avenue Building
• Fourth Avenue Building (Portland State University)
• Fourth Avenue - Ninth Street (New York City Subway)
• Fourth Avenue (PRR station)
• Fourth Baldwin ministry
• Fourth Battle of Acre
• Fourth Battle of Benghazi
• Fourth Battle of Ushant
• Fourth Bottom Line
• Fourth Bulgarian-Byzantine War
• Fourth Bulgarian-Hungarian War
• Fourth Bulgarian-Serbian War
• Fourth Bulgarian–Byzantine War
• Fourth Bulgarian–Hungarian War
• Fourth Bulgarian–Serbian War
• Fourth Cabinet of India 1964