Keihin may refer to:
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Keihin region, Japan
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Keihin Corporation
The is a Japanese automotive and motorcycle parts company headquartered in Shinjuku, Tokyo, Japan. The company is a major supplier to Honda, who owns nearly half of Keihin's shares, but also supplies other motorcycle manufacturers, among t ...
, a brand of motorcycle and powersports carburetor, common on Japanese and other motorcycles, including Harley-Davidson
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Keihin-Tōhoku Line, a railway line in Japan
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Keihin Ferry Boat, a ship operating company in Yokohama
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Keihin Kyuko, a private railroad in Japan
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Keihin Ports, the joint management organization for the ports of Kawasaki and Yokohama
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