Modlin

Modlin may refer to:

• Modlin (Nowy Dwór Mazowiecki), a village until 1961, now a district of Nowy Dwór Mazowiecki
• Modlin Army, a Polish army during the invasion of Poland in 1939
• Battle of Modlin, a battle during the Polish September Campaign
• Modlin Fortress, a fortress constructed in the 19th century
• Modlin Airport, an airport serving the Warsaw area
• Modlin, formerly ORP Wilia, a ship of the Polish Merchant Navy during World War II