Pasipha johnsoni is a species of land planarian belonging to the subfamily Geoplaninae.

Pasipha johnsoni has an elongate body with parallel margins that can reach up to 4 cm in length.

The dorsum is a dark grey color with two black lateral stripes running down the entire dorsal side, with the exception of the cephalic region, where they are light grey.

The ventral side of the body is light grey.

[2] The specific epithet of johnsoni was given in honor of naturalist Andrés Johnson for significantly contributing to the knowledge of Atlantic Forest biodiversity within Argentina.