Lyr or LYR may refer to:

People

• Llŷr, Welsh mythological figure
• Lir, Irish mythological figure
• Leir of Britain, mythological king

Acronyms and codes

• LYR, Lancashire and Yorkshire Railway
• LYR, IATA code for Svalbard Airport, Longyear, Norway

Other

• Lyra, a constellation

• Russia–Seychelles relations
• Russia–Singapore relations
• Russia – Singapore relations
• Russia–Slovakia relations
• Russia–Slovenia relations
• Russia – Slovenia relations
• Russia–South Africa relations
• Russia–South Ossetia relations
• Russia – Spain relations
• Russia–Spain relations
• Russia–Sri Lanka relations
• Russia–Sudan relations
• Russia–Sweden relations
• Russia – Switzerland relations
• Russia–Switzerland relations
• Russia–Syria relations
• Russia–Taiwan relations
• Russia–Tajikistan relations
• Russia–Tanzania relations
• Russia–Thailand relations
• Russia–Timor-Leste relations
• Russia – Timor-Leste relations
• Russia–Tonga relations
• Russia–Trinidad and Tobago relations
• Russia–Tunisia relations