LIR

LIR or Lir may refer to:
 * Ler (mythology), sea god in Irish mythology, also known as Lir
 * Liberia, UNDP country code LIR
 * Lir (band)
 * Lir, Chaharmahal and Bakhtiari, a village in Chaharmahal and Bakhtiari Province, Iran
 * Lir Abi (disambiguation), villages in Chaharmahal and Bakhtiari Province, Iran
 * Lir-e Shamlek, a village in Chaharmahal and Bakhtiari Province, Iran
 * Lir, Masal, a village in Gilan Province, Iran
 * Lir, Talesh, a village in Gilan Province, Iran
 * Lir, Hormozgan, a village in Hormozgan Province, Iran
 * Lir-e Bozorg, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran
 * Lir-e Kuchek, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran
 * Lir Tahrak, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran
 * Lir, Markazi, a village in Markazi Province, Iran
 * Local Internet registry
 * IATA airport code for Daniel Oduber Quirós International Airport in Costa Rica