Interline may refer to:
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Interlineation in law
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Interlining
Interlining, also known as interline ticketing and interline booking, is a voluntary commercial agreement between individual airlines to handle passengers traveling on itineraries that require multiple flights on multiple airlines. Such agreemen ...
, itineraries that use more than one airline
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Interline travel, also in airlines
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Freight interline system, for freight transport
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Interline spacing in typography
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Interlinear gloss in linguistics and pedagogy
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Interline twitter in interlaced displays
Companies
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Interline Brands
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Interline Bus Services
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Interliner, Dutch express bus service
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