Keihin

Keihin may 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