YLT may refer to:

• Yo La Tengo, rock band
• Alert Airport, Canada (IATA code YLT)
• Young's Literal Translation of the Bible
• Your Local Time Zone, used by Internet servers that know your current location

• Open Neuroimaging J.
• Open Neuroimaging J
• Open Neuroimaging Journal
• Open Neurol. J.
• Open Neurol J
• Open Neurology Journal
• OpenNews
• OpenNIC
• OpenNLP
• OPEN Norwich
• Open notebook science
• OpenNtpd
• Open Nursing Journal
• Open Nurs J
• Open Nurs. J.
• Open Nutrition Journal
• Open Nutr J
• Open Nutr. J.
• Open Obesity Journal
• Open Obes. J.
• Open Obes J
• OpenOCD
• OpenOcean
• Open Office 3.2.1
• Open Office 3.3