usually refers to the area around Tokyo and Yokohama in Japan. It comes from the second character of the cities' native name: and .
Keihin may also refer to:
Keihin region, Japan Keihin Corporation, a brand of motorcycle and powersports carburetor, common on Japanese and other motorcycles, including Harley-Davidson Keihin-Tōhoku Line, a railway line in Japan Keihin Ferry Boat, a ship operating company in Yokohama Keihin Kyuko, a private railroad in Japan Keihin Ports, the joint management organization for the ports of Kawasaki and Yokohama