隐纹谷弄蝶（Pelopidas mathias）是谷弄蝶属下的弄蝶。

雄性隐纹谷弄蝶的顶面呈橄榄褐色，而雌蝶的下身较淡色。雄蝶前翅膀有两个黄色半透明的小点，在近顶端有三个斜排的斑点，且有深色的条纹，雌蝶的有五个斑点。雄蝶后翅膀有一或两个较淡色的斑点，雌蝶的则有畏四或五个。牠们的斑纹较疏离，展开翅膀阔约1.6吋。

Pelopidas mathias, commonly known as the Dark Small-branded Swift, Small Branded Swift, Lesser Millet Skipper or Black Branded Swift, is a butterfly belonging to the family Hesperiidae. It is found throughout much of Southeast and East Asia, and as far as the Philippines. It is also present in Tropical Africa and Arabia.