JTLS may refer to:

• Joint Technical Language Service, a British translation service
• Joint Theater Level Simulation, a civil/military and humanitarian assistance/disaster relief simulation

• Hubertus Naixh
• Hubertus Naxhe
• Hubertus Primus
• Hubertusquelle
• Hubertus Reulandt
• Hubertus Spring
• Hubertus van der Vaart
• Hubertus van Hove
• Hubertus von Fürstenberg-von Hohenlohe
• Hubertus von Pilgrim
• Hubertus zu Lowenstein
• Hubert Vallee
• Hubert von Goisern
• Hubert von Grashey
• Hubert Wagner
• Hubert Walker
• Hubert Waugh
• Hubert White
• Hubert White (disambiguation)
• Hubert Whyte
• Hubert Wiggs
• Hubert Wight
• Hubert Wilkinson
• Hubert Williams
• Hubert Willis