L13 or L-13 may refer to:
Vehicles
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LET L-13 Blaník
The L-13 Blaník is a two-seater trainer glider produced by Let Kunovice since 1956. It is the most numerous and widely used glider in the world. In United States Air Force Academy service, it is designated TG-10C and was used for basic flight ...
, a trainer glider
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''Leninets''-class submarine
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Stinson L-13, an American utility aircraft
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Zeppelin LZ 45, a German airship
Proteins
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60S ribosomal protein L13
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Mitochondrial ribosomal protein L13
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Ribosomal protein L13 leader, a family of human genes
Other uses
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Barcelona Metro line 13
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Kwese language
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Nissan L13 engine
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