Leer may refer to:

• Leer, Lower Saxony, town in Germany
  • Leer (district), containing the town in Lower Saxony, Germany
  • Leer (Ostfriesland) railway station
• Leer, South Sudan, town in South Sudan
  • Leer County, an administrative division of Unity State in South Sudan
• Leer, Michigan, a small hamlet within Long Rapids Township, Michigan, USA
• Leer (Horstmar) [de], village in North Rhine-Westphalia, Germany, part of Horstmar
• Leer-3 (RB-341V), Russian weapon
• Leer, a form of looking

• Lear (disambiguation)
• Lier (disambiguation)
• Leers, Nord, France
• Van Leer (surname)