What is "jkl"

JKL may refer to:

• Jung-Kellogg Library in St. Louis, Missouri
• Bishop James Doyle, 1786–1834, an Irish bishop
• JKL Productions, a YouTube production group that formerly counted Lucas Cruikshank as a member
• Kalymnos Island National Airport (IATA code), Greece
• Jingkelong, a Chinese supermarket chain headquartered in Beijing