Magenta Line

Magenta Line may refer to:


 * K Line (Los Angeles Metro), Los Angeles, California
 * Magenta Line (Delhi Metro), Delhi, India
 * Magenta Line (Paris), Paris Metro, France
 * Magenta Line (São Paulo Metro), Brazil
 * Magenta Line (Shanghai), China
 * The Metropolitan line of the London Underground
 * West Rail line, former railway line in Hong Kong, China