OTL

OTL may stand for:

• Oradea Transport Local
• Over-the-line, a variant of softball played mostly in Southern California
• Over time limit
• Output transformerless, a vacuum tube amplifier topology
• Outside the Lines, an American sports television series focusing on off-the-field stories
• Oracle Template Library
• An emoticon representing a kneeling or bowing person
• Overtime loss in ice hockey
• Otl Aicher, a graphic designer and typographer
• South Airlines, by ICAO airline code
• Ottawa Tool Library
• On the Loose, an outing club for the Claremont Colleges in Claremont, California, United States