The Tōkyū Shin-yokohama Line (東急新横浜線) is a commuter line operated by Tokyu Corporation connecting Hiyoshi Station on the Tōkyū Tōyoko and Meguro lines to Shin-yokohama Station on the Sōtetsu Shin-yokohama Line. Tōkyū has put its company name as a formal part of the line name, which is a second for Tōkyū, following the Tōkyū Tamagawa Line.

The Toei 6500 series is an electric multiple unit (EMU) train type operated by the Tokyo Metropolitan Bureau of Transportation (Toei) in Japan.