Nishi-Meihan Expressway (西名阪自動車道, Nishimeihan Jidōshadō) is a national expressway in the Kinki region of Japan.

It is owned and operated by West Nippon Expressway Company.

Meihan is a kanji acronym of two characters.

Nishi (西) means west; together with the Meihan Expressway and Higashi-Meihan Expressway, it forms a corridor linking the greater Nagoya and Osaka areas.

This article relating to the roads and highways in Japan is a stub.